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单选题 The medical team did a clinical trial to test the ______ of the new vaccine, and the results showed it could effectively reduce the infection rate by 90%
学科：默认课程
时间：2025-12-11 02:39:58
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题目1单选题
The two companies signed a ______ to cooperate in research and development of new energy products, promising to share technology and profits equallyA. returnB. covenantC. tribulationD. amenity
题目2单选题
The host was ______ in a formal evening dress when hosting the international cultural exchange party, showing respect for guests from different countriesA. leveragedB. shedC. embarkedD. garbed
题目3单选题
The research team will ______ on a new study about climate change's impact on agricultural production next month, with funding from the national science foundationA. ponderB. discernC. embarkD. return
题目4单选题
The report points out that the ______ cause of the city's traffic congestion is not just the increase in cars, but the unreasonable layout of road networksA. tertiaryB. acuteC. underlyingD. obvious
题目5单选题
With the help of the data analysis tool, the researchers were able to ______ the hidden connection between two seemingly unrelated economic phenomenaA. discernB. returnC. GarbD. shed
题目6单选题
During the process of pursuing his postgraduate degree, he overcame many ______—such as difficult courses and experimental failures—and finally obtained his diplomaA. efficaciesB. CompetencesC. tractionsD. tribulations
题目7单选题
The medical team did a clinical trial to test the ______ of the new vaccine, and the results showed it could effectively reduce the infection rate by 90%A. returnB. tractionC. efficacyD. covenant
题目8单选题
In many developed countries, ______ education not only includes universities but also vocational colleges, aiming to meet diverse social demands for talentsA. competentB. underlyingC. tertiaryD. acute
题目9单选题
Due to the continuous cold wave, the region is facing an ______ shortage of heating supplies, and the government has launched an emergency allocation planA. acuteB. ampleC. trivialD. underlying
题目10单选题
Financial advisors suggest that long-term investment in blue-chip stocks usually yields a steady ______, which is more suitable for risk-averse investorsA. efficacyB. returnC. revenueD. traction
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