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单选题 Questions 1 and 2 are based on the news report you have just heard. <iframe src="/module/audioplay.html?objectid=e6f60ed44e3f9b4ae7c895f3672a36ff"></iframe> According to Google, what was the cause of the accident
学科：默认课程
时间：2026-03-31 05:40:03
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题目1单选题
心包积液时,下列哪项不对 ( )A. 当液性暗区超过25mm时,积液量常大于1000mlB. 少量积液即可显示清楚C. 少量积液多见于右室前壁之前D. 大量积液时,下腔静脉增宽E. 坐位探查时心尖部液性暗区加宽
题目2单选题
心包积液 ( )A. 超声心动图,左室径65mmB. 超声心动图IVS:LVPW 1.5:1C. 超声心动图出现右室前壁以及房室沟处无反射区D. 超声心动图二尖瓣EF斜率下降E. 超声心动图室间隔连续中断
题目3单选题
"荡击征"是下列何种疾病的超声表现( )A. 心包钙化B. 少量心包积液C. 大量心包积液D. 心包囊肿
题目4单选题
心脏摇摆征见于( )A. 法洛四联征B. 二尖瓣脱垂C. 左室流出道梗阻D. 心包积液E. 缩窄性心包炎
题目5单选题
大量心包积液(500ml 以上)用二维超声如何做半定量测定( )A. 无回声区包绕心室前、外、后方及心尖部,心室前、后方无回声区≥10mmB. 心包明显增厚C. 只心室前方出现明显无回声区D. 只心室后方出现明显无回声区E. 心包脏层与壁层间有明显粘连表现
题目6单选题
Questions 1 and 2 are based on the news report you have just heard. <iframe src="/module/audioplay.html?objectid=e6f60ed44e3f9b4ae7c895f3672a36ff"></iframe> According to Google, what was the cause of the accidentA. A) The man in the car was absent-mindedB. B) The test driver made a wrong judgementC. C) The self-driving system was faultyD. D) The car was moving at a fast speed
题目7单选题
How have Google's self-driving cars performed so farA. A) They have done better than conventional carsB. B) They have caused several severe crashesC. C) They have posed a threat to other driversD. D) They have generally done quite well
题目8单选题
Questions3 and4 are based on the news report you have just heard. <iframe src="/module/audioplay.html?objectid=278f3fc57ba3299fb75dc4acf0655b6b"></iframe> What do we learn about Tom MosesA. A) He works at a national parkB. B) He is a queen been specialistC. C) He removed the beyond from the bootD. D) He drove the bees away from his car
题目9单选题
What do we know about the bees on the back of the carA. A) They were looking after the queenB. B) They were making a lot of noiseC. C) They were looking for a new box to live inD. D) They were dancing in a unique way
题目10单选题
Questions 5 and 6 are based on the news report you have just heard. <iframe src="/module/audioplay.html?objectid=8085d2f2565c835bd2f82235b0b8ebc1"></iframe> What is the news report mainly aboutA. A) The discovery of a new species of snakeB. B) The second trip to a small remote islandC. C) The finding of 2 new species of frogD. D) The latest test on rare animal species
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