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【简答题】
非系统性风险只对特定的个别股票产生影响，它是由微观因素决定的，与整个市场无关，可以通过投资组合进行分散，故又称可控风险。（ ）
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【单选题】听力原文： At the end of our program, we invite our listeners to write a comment or call and leave a message regarding their reactions to some of the ideas or opinions mentioned on our program. Since the o...
A.
One of the viewers.
B.
The producer of the show.
C.
The host of the show.
D.
A reporter.
【单选题】听力原文： Our family is trying to decide where to go for our vacation this summer. Our son Tom wants to go to Yellow Stone Park again to see the bears. We did that last summer, and what an experience it w...
A.
They haven't reached a decision yet.
B.
They have decided to go hunting bears.
C.
They want to go camping.
D.
They want to go exploring in the country.
【单选题】听力原文： Our family is trying to decide where to go for our vacation this summer. Our son Tom wants to go to Yellowstone Park again to see the hears. We did that last summer, and what an experience it wa...
A.
They haven't reached a decision yet.
B.
They have decided to go hunting bears.
C.
They want to go camping.
D.
They want to go exploring the country.
【多选题】风湿病的发病与溶血性链球菌感染有关,这是因为
A.
发病前常有链球菌的感染史
B.
女性多见
C.
绝大多数病人血中抗“O”增高
D.
病灶中可找到致病菌
E.
抗生素治疗可减少发病
【简答题】构成胃底腺的细胞有()()()()()。
【单选题】听力原文： One of the reasons for our success as a species is our ability to eat and thrive on a large variety of foods. Many animal species have become extinct or are on the edge of extinction partly beca...
A.
It is all ability both man and animals possess.
B.
It is the reason for man's superiority over animals.
C.
It is one of the reasons for man's success as a species.
D.
It is a proof of our superior intelligence.
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