He devoted himself entirely to his resea

题型:选择题

问题:

He devoted himself entirely to his research into viruses and it earned him a good _________in his field.

A.impression

B.attraction

C.contribution

D.reputation

考点:名词可数名词及其单复数集合名词
题型:选择题

湍流扩散

题型:选择题

通常,投保人或被保险人失去了对保险标的的保险利益,保险合同随之失效,但______合同除外。

A.信用保险
B.财产保险
C.人寿保险
D.责任保险

题型:选择题

雷诺准则

题型:选择题

根据《全民健身条例》(2009年国务院第560号令公布),学校应当保证学生在校期间每天参加()小时的体育锻炼。

A.0.5

B.1

C.1.5

D.2

题型:选择题

五迟、五软证肝肾亏损型的主症有()

A.头颈萎软,天柱骨倒

B.筋骨萎弱,发育迟缓

C.语言迟钝,口角流涎

D.精神呆滞,智力低下

E.坐起、站立、行走、生齿等明显迟于正常同龄儿

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