The student was_______ a gold cup for hi

题型:选择题

问题:

The student was_______ a gold cup for his excellent performance in the competition.

A.awarded

B.admitted

C.applied

D.advanced

考点:序数词
题型:选择题
已知集合M={1,2,3},N={1,5},从这两个集合中各取一个元素作为点的坐标,则在平面直角坐标系中能确定的不同的点的个数为(  )
A.11B.12C.6D.5
题型:选择题

油泵从油箱中吸油,执行元件的回油返回油箱的系统称为闭式系统。()

题型:选择题

Colleges in the US have added a new subject, “great chemistry”, to their curriculum today. “Green chemistry (53) how we can develop products that won’t (54) the environment,” explains Paul Anastas, director of Yale University’s Center for Green Chemistry and Green Engineering, opened at the beginning of this year. The American Chemical Society, (55) approves more than 600 college chemistry programs, only lists about a dozen that teach green chemistry. But that (56) is growing.
Cambridge College in Massachusetts is offering “ an introduction to green chemistry” course this gall and is offering the nation’s first bachelor’s and master’s (57) in green chemistry. The program will have classes in environmental science and even environmental (58) and policy. These subjects are not (59) taught to chemistry major.
Employers (60) the introduction of green chemistry. Businesses are increasing seeking graduates (61) backgrounds in the subject because it can help them make or save money in he development and manufacturing of products. “We need people who can not only understand their place (62) , but also understand the worldwide perspective,” said Adam Peterson, a chemical division manager at Dow Corning Corp.

A.controversially
B.eventually
C.gradually
D.traditionally

题型:选择题

课本上通体对仗的七言律诗是哪一首?

题型:选择题

氯霉素是分子中具有手征性中心的药物,它的异构体属于下列哪种情况?()

A.异构体具有相同的活性

B.异构体各有不同的生物活性

C.一个异构体有效,其余异构体无效

D.一个异构体有效,其余异构体可制不良副反应

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