问题 单项选择题

Rh阳性红细胞膜上含有()

A.C抗原

B.A抗原

C.D抗原

D.E抗原

E.B抗原

答案

参考答案:C

解析:Rh抗原命名为C、D、E、c、d、e,临床上习惯将有D抗原者称为Rh阳性,将虽有其他Rh抗原而无D抗原者称为阴性。

完形填空

In every cultivated language there are two great classes of words which, taken together, comprise the whole vocabulary.First, there are those words 1 which we become acquainted in daily conversation, which we 2 ,that is to say, from the 3 of our own family and from our familiar associates, and 4 we should know and use 5 we could not read or write.They 6 the common things of life, and are the stock in trade of all who 7 the language.Such words may be called“popular”, since they belong to the people 8 and are not the exclusive 9 of a limited class.On the other hand, our language 10 a multitude of words which are comparatively 11 used in ordinary conversation.Their meanings are known to every educated person, but there is little 12 to use them at home or in the market-place.Our 13 acquaintance with them comes not from our mother's 14 or from the talk of our school-mates, 15 from books that we read, lectures that we 16 ,or the more 17 conversation of highly educated speakers who are discussing some particular 18 in a style appropriately elevated above the habitual 19 of everyday life.Such words are called“learned”, and the 20 between them and the“popular”words is of great importance to a right understanding of linguistic process.

1.A.at B.with C.by D.through

2.A.study B.imitate C.stimulate D.learn

3.A.mates B.relatives C.members D.fellows

4.A.which B.that C.those D.ones

5.A.even B.despite C.even if D.in spite of

 6.A.mind B.concern C.care D.involve

7.A.hire B.apply C.adopt D.use

8.A.in public B.at most C.at large D.at best

9.A.right B.privilege C.share D.possession

10.A.consists B.comprises C.constitutes D.composes

11.A.seldom B.much C.never D.often

12.A.prospect B.way C.reason D.necessity

13.A.primary B.first C.principal D.prior

14.A.tips B.mouth C.lips D.tongue

15.A.besides B.and C.or D.but

16.A.hear of B.attend C.hear from D.listen

17.A.former B.formula C.formal D.formative

18.A.theme B.topic C.idea D.point

19.A.border B.link C.degree D.extent

20.A.diversion B.distinction C.diversity D.similarity

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