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问题 多项选择题

专项资产管理业务的特点有（）。

A.综合性，即证券公司与客户可以是一对一，也可以是一对多

B.集合性，即证券公司与客户是一对多

C.特定性，即要设定特定的投资目标

D.单一性，即证券公司与客户必须是一对一

答案

参考答案：A, C

解析：专项资产管理业务的特点是：①综合性，即证券公司与客户可以是一对一，也可以是一对多。也就是说，既可以采取定向资产管理的方式，也可以采取集合资产管理的方式办理该项业务。②特定性，即要设定特定的投资目标。③通过专门账户经营运作。

多项选择题

下列车辆中，不得进入高速公路的有（）。

A.非机动车

B.轮式专用机械车

C.铰接式客车

D.最高时速低于70km的机动车
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单项选择题

The idea that some groups of people may be more intelligent than others is one of those hypotheses that dare not speak its name. But Gregory Cochran is (1) to say it anyway. He is that (2) bird, a scientist who works independently (3) any institution. He helped popularize the idea that some diseases not (4) thought to have a bacterial cause were actually infections, which aroused much controversy when it was first suggested.

(5) he, however, might tremble at the (6) of what he is about to do. Together with another two scientists, he is publishing a paper which not only (7) that one group of humanity is more intelligent than the others, but explains the process that has brought this about. The group in (8) are a particular people originated from central Europe. The process is natural selection.

This group generally do well in IQ test, (9) 12-15 points above the (10) value of 100, and have contributed (11) to the intellectual and cultural life of the West, as the (12) of their elites, including several world-renowned scientists, (13) . They also suffer more often than most people from a number of nasty genetic diseases, such as breast cancer. These facts, (14) , have previously been thought unrelated. The former has been (15) to social effects, such as a p tradition of (16) education. The latter was seen as a (an) (17) of genetic isolation. Dr. Cochran suggests that the intelligence and diseases are intimately (18) . His argument is that the unusual history of these people has (19) them to unique evolutionary pressures that have resulted in this (20) state of affairs.

13（）

A.affirm

B.witness

C.observe

D.approve
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