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【单选题】
激光的发明，使人类开辟了光通信的新时代，有人把激光称作信息时代的先锋。激光作为一种人造光，其英文称为laser，译音为莱塞或雷射，是我国那位著名科学家给它起了一个中国名“激光”?()A.
B.
C.
D.
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【单选题】甲、乙、丙、丁四人合伙经营长途贩运，后甲介绍其弟戊加入合伙，甲、乙、丙同意，丁不同意。戊以多数人同意为由开车从事贩运。某日因超速开车而撞车，造成经济损失1万元，戊主张每人承担2000元，遭反对。下列哪一选项符合法律规定（ ）。
A.
戊的主张符合法律规定，因为事实上戊已成为合伙人
B.
应由戊自行承担 1万元损失
C.
应由甲、乙、丙、戊分担 1万元损失
D.
戊应承担大部分损失，其余由甲、乙、丙、丁分担
【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
【简答题】Researchers now have some proofs ______ reading the Roman alphabets and Chinese characters uses31. Researchers now have some proofs ______ reading the Roman alphabets and Chinese characters uses diffe...
【简答题】C A new study shows that air pollution can cause a huge reduction in our intelce. The study was a project involving researchers at Peking University in China and Yale University in the United Sta...
【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。
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