The sunspot came into its active stage,

题型:选择题

问题:

The sunspot came into its active stage, ____ that happens once every eleven years.

A.one

B.it

C.the one

D.what

考点:不定代词人称代词相互代词疑问代词关系代词
题型:选择题

设x∈R,则x>1是x>0的(  )

A.充分但不必要条件

B.必要但不充分条件

C.充要条件

D.既不充分又不必要条件

题型:选择题

短文填词(满分5分,每小题0.5分)

小题1:When I found out that my train would be three hours late, I changed my idea and would take a bus _____(代替).

小题2:I was about to rush out of the train station ______ a

小题3:well-dressed old man took me ____ the arm, "Young

小题4:lady," said the gentleman, "Shouldn't you f____ out

小题5:the bus schedule before you rush out to c   (赶上)the

小题6:bus ". I stared at him with my mouth o    . How did  he

小题7:read my m______? Before I could say a word, he added, 

小题8: "You see, my train is ______(也) running late. The same idea

小题9:came to me. But I think a good conversation can help ____

小题10:the time. B_____ you know it, your train will be there." 

题型:选择题

下列物质中,氮元素化合价为十5价的是(  )

A.N2

B.N2O5

C.NO

D.NH3

题型:选择题

反对安乐死的依据是

A. * * 主义观点
B.功利主义观点
C.医学人道主义观点
D.生命价值论观点
E.生命质量论观点

题型:选择题

《传染病防治法>规定了五种生产经营单位的违法行为导致或可能导致传染病的传播、流行的,应承担法律责任。下列几种情形中,哪一条是法中没有予以规定的()

A.供水单位供应的饮用水不符合国家卫生标准和卫生规范的

B.生产、供应涉水产品不符合国家卫生标准和卫生规范的

C.生产、供应的口罩不符合产品质量要求的

D.生产、供应的消毒产品不符合国家卫生标准和卫生规范的

E.出售、运输疫区中被污染或可能被污染的物品,而未进行消毒处理的

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