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问题 选择题
The whole building _____ burned down, but the heavy rain _____.
A．might have; would help
B．could have been; helped
C．must have; helped
D．should have been; was helping
答案

B

本题前半部分是虚拟，“本来会烧毁的”，后半部分是陈述语气，表示实际情况，而且是过去发生的事情，用could +现在完成时和过去时。

单项选择题

Standard English is the variety of English which is usually used in print and which is normally taught in schools and to non-native speakers learning the language. It is also the variety which is normally (1) by educated people and used in news broadcasts and other (2) situations. The difference between standard and nonstandard, it should be noted, has (3) in principle to do with differences between formal and colloquial (4) ; standard English has colloquial as well as formal variants.

(5) , the standard variety of English is based on the London (6) of English that developed after the Norman Conquest resulted in the removal of the Court from Winchester to London. This dialect became the one (7) by the educated, and it was developed and promoted (8) a model, or norm, for wider and wider segments of society. It was also the (9) that was carried overseas, but not one unaffected by such export. Today, (10) English is arranged to the extent that tile grammar and vocabulary of English are (11) the same everywhere in the world where English is used; (12) among local standards is really quite minor, (13) the Singapore, South Africa, and Irish varieties are really very (14) different from one another so far as grammar and vocabulary are (15) .Indeed, Standard English is so powerful that it exerts a tremendous (16) on all local varieties, to the extent that many of long-established dialects of England have (17) much of their vigor and there is considerable pressure on them to be (18) . This latter situation is not unique (19) English: it is also true in other countries where processes of standardization are (20) .But it sometimes creates problems for speakers who try to strike some kind of compromise between local norms and national, even supranational ones.

5（）

A.Surprisingly

B.Historically

C.Interestingly

D.Generally
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单项选择题

小柴胡汤和蒿芩清胆汤中均含有药物是（）

A.生姜、大枣

B.黄芩、半夏

C.半夏、生姜

D.柴胡、黄芩

E.大枣、人参
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