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【单选题】
If you can set aside time in each day to do this, __________ life will be different.A.
you
B.
your
C.
yours
D.
yourself
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举一反三
【单选题】Now Chinese researchers have come up with another tool in the energy-saving arsenal: a building material that can release and _____heat on demand, which makes a significant difference to the cost of h...
A.
retain
B.
calamity
C.
insulation
D.
ubiquitous
【单选题】总体均值的区间估计是在点估计的基础上给出总体期望值的一个估计区间,该区间等于样本均值加减( )
A.
样本标准差
B.
样本均值的标准误差
C.
估计误差
D.
总体标准差
【简答题】Complete the following sentences with appropriate words in the box. Change their forms if necessary.retainbiodiversesustainablerenewableaffordablecalamityubiquitousinsulationNow Chinese researchers ha...
【简答题】Chinese researchers develop new test kit for coronavirus which can shortens average _____ time and recognize suspected cases, especially latent _____ ( 感染 ).
【简答题】一个药物从合成开始到最后上市,主要进行的工作包括什么?
【判断题】unit 1.docx 判断题:阅读文章,判读以下表述正确与否 。 1) BeforeChina’s AI plan was made public in July 2017, Chinese AI researchers had produced a number of research publications. And Chinese AI teams triumphed at the co...
A.
正确
B.
错误
【单选题】Chinese researchers have made a breakthrough in developing new materials for nickel-hydrogen batteries used in low temperatures, Inhaul reported.
A.
中国研究者已经在开发新材料用于低温下使用的镍氢电池方面有了突破，据新华社报道。
B.
新华社报道，中国科学家在从事新材料制造低温镍氢电池方面有了突破。
C.
新华社报道，中国研究人员在开发利用新材料制造在低温下使用的镍氢电池方面已有了突破。
D.
中国研究者在开发新材料制造低温镍氢电池有了重大突破，这是新华社报道的。
【简答题】Chinese researchers have developed a robot __1_ to help doctors treat the new coronavirus and other highly contagious diseases.
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