[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f_88zKOmVw_32lDRUbUehahVwrIFUZRpVyvfN4yCueTU":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":21,"type":22},[],"2026-05-16 06:46:07",372293974,[8,9,10,11],"the content of dreams","the meaning of dreaming","the process of sleep","dreamer while they dream",{"courseId":13,"courseImg":14,"courseName":15},"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","A laboratory at the University of Chicago is busy only at night. It is a dream laboratory where researchers are at work studying dreamers. Their findings have revealed that everyone dreams from three to seven times a night, although in ordinary life a person may remember one or only one of his dreams. While the subjects&mdash;usually students&mdash;are asleep, special machines record their brain waves and eye movements as well as the body movements that signal the end of the dreams. Surprisingly, all subjects sleep soundly. Observers report a person usually fidgets(不安) before a dream. Once the dream has started, his body relaxes and his eyes become more active, as if the curtain had gone up on the show. As soon as the machine indicates that the dream is over, a buzzer wakens the sleeper. He sits up, records his dream, and goes back to sleep&mdash;perhaps to dream some more. Researchers have found that if the dreamer is wakened immediately after his dream, he usually recalls the entire dream. If his is allowed to sleep even five more minutes, his memory of the dream will have disappeared小题:According the passage, researchers at the University of Chicago are studying _____.( )",[18,23,32,41,50,59,68,77,86,95],{"answer":19,"createTime":5,"id":6,"options":20,"question":16,"source":21,"type":22},[],[8,9,10,11],"v1",0,{"answer":24,"createTime":5,"id":25,"options":26,"question":31,"source":21,"type":22},[],372293975,[27,28,29,30],"everyone dreams every night","dreams are easily recalled","dreams are likely to be frightening","a person dreams only one time a night","A laboratory at the University of Chicago is busy only at night. It is a dream laboratory where researchers are at work studying dreamers. Their findings have revealed that everyone dreams from three to seven times a night, although in ordinary life a person may remember one or only one of his dreams. While the subjects&mdash;usually students&mdash;are asleep, special machines record their brain waves and eye movements as well as the body movements that signal the end of the dreams. Surprisingly, all subjects sleep soundly. Observers report a person usually fidgets(不安) before a dream. Once the dream has started, his body relaxes and his eyes become more active, as if the curtain had gone up on the show. As soon as the machine indicates that the dream is over, a buzzer wakens the sleeper. He sits up, records his dream, and goes back to sleep&mdash;perhaps to dream some more. Researchers have found that if the dreamer is wakened immediately after his dream, he usually recalls the entire dream. If his is allowed to sleep even five more minutes, his memory of the dream will have disappeared小题:The researchers in the dream lab have found that ______.( )",{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":21,"type":22},[],372293977,[36,37,38,39],"brain waves of sleepers","eye movements of sleepers","body movements of sleepers","all above","A laboratory at the University of Chicago is busy only at night. It is a dream laboratory where researchers are at work studying dreamers. Their findings have revealed that everyone dreams from three to seven times a night, although in ordinary life a person may remember one or only one of his dreams. While the subjects&mdash;usually students&mdash;are asleep, special machines record their brain waves and eye movements as well as the body movements that signal the end of the dreams. Surprisingly, all subjects sleep soundly. Observers report a person usually fidgets(不安) before a dream. Once the dream has started, his body relaxes and his eyes become more active, as if the curtain had gone up on the show. As soon as the machine indicates that the dream is over, a buzzer wakens the sleeper. He sits up, records his dream, and goes back to sleep&mdash;perhaps to dream some more. Researchers have found that if the dreamer is wakened immediately after his dream, he usually recalls the entire dream. If his is allowed to sleep even five more minutes, his memory of the dream will have disappeared小题:The special machines in the lab can record ______.( )",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":21,"type":22},[],372293979,[45,46,47,48],"breathes evenly","lies perfectly still","moves his body about restlessly","makes more eye movements","A laboratory at the University of Chicago is busy only at night. It is a dream laboratory where researchers are at work studying dreamers. Their findings have revealed that everyone dreams from three to seven times a night, although in ordinary life a person may remember one or only one of his dreams. While the subjects&mdash;usually students&mdash;are asleep, special machines record their brain waves and eye movements as well as the body movements that signal the end of the dreams. Surprisingly, all subjects sleep soundly. Observers report a person usually fidgets(不安) before a dream. Once the dream has started, his body relaxes and his eyes become more active, as if the curtain had gone up on the show. As soon as the machine indicates that the dream is over, a buzzer wakens the sleeper. He sits up, records his dream, and goes back to sleep&mdash;perhaps to dream some more. Researchers have found that if the dreamer is wakened immediately after his dream, he usually recalls the entire dream. If his is allowed to sleep even five more minutes, his memory of the dream will have disappeared小题:A sleeper usually ____ before a dream.( )",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":21,"type":22},[],372293981,[54,55,56,57],"at midnight","just before he is awakened","immediately after he falls asleep","five minutes before he is awakened","A laboratory at the University of Chicago is busy only at night. It is a dream laboratory where researchers are at work studying dreamers. Their findings have revealed that everyone dreams from three to seven times a night, although in ordinary life a person may remember one or only one of his dreams. While the subjects&mdash;usually students&mdash;are asleep, special machines record their brain waves and eye movements as well as the body movements that signal the end of the dreams. Surprisingly, all subjects sleep soundly. Observers report a person usually fidgets(不安) before a dream. Once the dream has started, his body relaxes and his eyes become more active, as if the curtain had gone up on the show. As soon as the machine indicates that the dream is over, a buzzer wakens the sleeper. He sits up, records his dream, and goes back to sleep&mdash;perhaps to dream some more. Researchers have found that if the dreamer is wakened immediately after his dream, he usually recalls the entire dream. If his is allowed to sleep even five more minutes, his memory of the dream will have disappeared小题:A person is likely to recall the dream that occurs (发生)____.( )",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":21,"type":22},[],372293983,[63,64,65,66],"Before 1870's","In the year of 1870","When cigarettes were made in large numbers","When women began to smoke cigarettes","Until the twentieth century cigarette smoking was not a widespread habit. The cigarette industry started in the 1870's with the development of the cigarette manufacturing machines. It helped produce great numbers of cigarettes very quickly and reduce the price greatly. And consequently more and more people, both men and women, began to smoke cigarettes. Men as a group, however, smoke more than women. But the highest proportion of smokers is found in the age group of 24&mdash;44, regardless of sex difference. Income, education, and occupation(职业)all play a part in determining a person's smoking habits. City people smoke more than people living on farms. Well-educated men with high incomes are less likely to smoke cigarettes than men with fewer years of schooling and owner incomes. On the other hand, if a well-educated man with a higher income smokes at all, he is likely to smoke more packs of cigarettes per day. The situation is somewhat different for women. There are slightly more smokers among women with higher family incomes and higher education than among the lower income and lower education groups. These more highly educated women tend to smoke more heavily. Among teenagers the picture is similar. There are fewer teenage smokers from upper-income, well-educated families, and fewer from families living in farm areas. High school students who are preparing for college are less likely to smoke than those who do not plan to continue their education after high school. Children are most likely to start smoking if one or both of their parents smoke小题:When did cigarette smoking begin to become a widespread habit among men and women according to the author?( )",{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":21,"type":22},[],372293984,[72,73,74,75],"Teenagers","People over fifty","People in their thirties","Students under twenty","Until the twentieth century cigarette smoking was not a widespread habit. The cigarette industry started in the 1870's with the development of the cigarette manufacturing machines. It helped produce great numbers of cigarettes very quickly and reduce the price greatly. And consequently more and more people, both men and women, began to smoke cigarettes. Men as a group, however, smoke more than women. But the highest proportion of smokers is found in the age group of 24&mdash;44, regardless of sex difference. Income, education, and occupation(职业)all play a part in determining a person's smoking habits. City people smoke more than people living on farms. Well-educated men with high incomes are less likely to smoke cigarettes than men with fewer years of schooling and owner incomes. On the other hand, if a well-educated man with a higher income smokes at all, he is likely to smoke more packs of cigarettes per day. The situation is somewhat different for women. There are slightly more smokers among women with higher family incomes and higher education than among the lower income and lower education groups. These more highly educated women tend to smoke more heavily. Among teenagers the picture is similar. There are fewer teenage smokers from upper-income, well-educated families, and fewer from families living in farm areas. High school students who are preparing for college are less likely to smoke than those who do not plan to continue their education after high school. Children are most likely to start smoking if one or both of their parents smoke小题:Among which group of people are you likely to find the highest proportion of cigarette smokers?( )",{"answer":78,"createTime":5,"id":79,"options":80,"question":85,"source":21,"type":22},[],372293986,[81,82,83,84],"How much money he earns","How much education he's got","What kind of job he does","How long he has worked","Until the twentieth century cigarette smoking was not a widespread habit. The cigarette industry started in the 1870's with the development of the cigarette manufacturing machines. It helped produce great numbers of cigarettes very quickly and reduce the price greatly. And consequently more and more people, both men and women, began to smoke cigarettes. Men as a group, however, smoke more than women. But the highest proportion of smokers is found in the age group of 24&mdash;44, regardless of sex difference. Income, education, and occupation(职业)all play a part in determining a person's smoking habits. City people smoke more than people living on farms. Well-educated men with high incomes are less likely to smoke cigarettes than men with fewer years of schooling and owner incomes. On the other hand, if a well-educated man with a higher income smokes at all, he is likely to smoke more packs of cigarettes per day. The situation is somewhat different for women. There are slightly more smokers among women with higher family incomes and higher education than among the lower income and lower education groups. These more highly educated women tend to smoke more heavily. Among teenagers the picture is similar. There are fewer teenage smokers from upper-income, well-educated families, and fewer from families living in farm areas. High school students who are preparing for college are less likely to smoke than those who do not plan to continue their education after high school. Children are most likely to start smoking if one or both of their parents smoke小题:Which of the following has little to do with a person's smoking habit?( )",{"answer":87,"createTime":5,"id":88,"options":89,"question":94,"source":21,"type":22},[],372293988,[90,91,92,93],"Well-paid men with good education are more likely to smoke","Women with high family income and good education are more likely to smoke","Generally speaking, well-educated women with higher income smoke very few cigarettes","Well-educated men usually smoke more packs of cigarettes than well-educated women","Until the twentieth century cigarette smoking was not a widespread habit. The cigarette industry started in the 1870's with the development of the cigarette manufacturing machines. It helped produce great numbers of cigarettes very quickly and reduce the price greatly. And consequently more and more people, both men and women, began to smoke cigarettes. Men as a group, however, smoke more than women. But the highest proportion of smokers is found in the age group of 24&mdash;44, regardless of sex difference. Income, education, and occupation(职业)all play a part in determining a person's smoking habits. City people smoke more than people living on farms. Well-educated men with high incomes are less likely to smoke cigarettes than men with fewer years of schooling and owner incomes. On the other hand, if a well-educated man with a higher income smokes at all, he is likely to smoke more packs of cigarettes per day. The situation is somewhat different for women. There are slightly more smokers among women with higher family incomes and higher education than among the lower income and lower education groups. These more highly educated women tend to smoke more heavily. Among teenagers the picture is similar. There are fewer teenage smokers from upper-income, well-educated families, and fewer from families living in farm areas. High school students who are preparing for college are less likely to smoke than those who do not plan to continue their education after high school. Children are most likely to start smoking if one or both of their parents smoke小题:Which is true according to the passage?( )",{"answer":96,"createTime":5,"id":97,"options":98,"question":103,"source":21,"type":22},[],372293990,[99,100,101,102],"Teenagers smoke as many cigarettes as adults","There are as many teenage smokers as adult smokers","Family income and education have much the same effect on forming smoking habits among teenagers","Teenage smokers have a picture that looks similar to that of adult smokers","Until the twentieth century cigarette smoking was not a widespread habit. The cigarette industry started in the 1870's with the development of the cigarette manufacturing machines. It helped produce great numbers of cigarettes very quickly and reduce the price greatly. And consequently more and more people, both men and women, began to smoke cigarettes. Men as a group, however, smoke more than women. But the highest proportion of smokers is found in the age group of 24&mdash;44, regardless of sex difference. Income, education, and occupation(职业)all play a part in determining a person's smoking habits. City people smoke more than people living on farms. Well-educated men with high incomes are less likely to smoke cigarettes than men with fewer years of schooling and owner incomes. On the other hand, if a well-educated man with a higher income smokes at all, he is likely to smoke more packs of cigarettes per day. The situation is somewhat different for women. There are slightly more smokers among women with higher family incomes and higher education than among the lower income and lower education groups. These more highly educated women tend to smoke more heavily. Among teenagers the picture is similar. There are fewer teenage smokers from upper-income, well-educated families, and fewer from families living in farm areas. High school students who are preparing for college are less likely to smoke than those who do not plan to continue their education after high school. Children are most likely to start smoking if one or both of their parents smoke小题:What does the author mean by saying &quot;Among teenagers the picture is similar&quot; in the last paragraph?( )"]