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【单选题】
关于菌种的选育不正确的是A.
自然选育菌种费时且盲目性大
B.
诱变育种原理的基础是基因突变
C.
代谢控制育种方法有转化、转导及杂交
D.
采用基因工程的方法可构建工程菌
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举一反三
【单选题】—Two tins of baked beans, please. —I'm afraid we haven't got any ______ at the moment. But we should be getting some more on Thursday.
A.
in stock
B.
on order
C.
on the books
D.
in store
【判断题】In Conversation 2, both the woman and the man think last year’s restaurant is good.
A.
正确
B.
错误
【单选题】Whyshould the man think more about taking the job according to the woman?
A.
Because the vice-president might have a heart attack.
B.
Because the job killed the last vice-president.
C.
Because the man has already had one heart attack.
D.
Because the woman does not want him to take it.
【判断题】According to the last paragraph of the text, women think men are not qualified to judge whether a woman looks good or not because men do not even care about their own appearance.
A.
正确
B.
错误
【单选题】Up to now, I haven't got any idea ____ we should go on with the project. [ ]
A.
that
B.
whether
C.
what
D.
which
【单选题】Listen to the long conversation and answer Questions 11-15 . What does the woman think of the fashion awards last night? ( )
A.
She thinks some of the clothes look terrible.
B.
She is really interested.
C.
She hopes the fashion awards will be held in the second half of the year.
D.
She wants to learn a lot from the fashion awards.
【简答题】齿轮1输入,齿轮5输出。各齿数为Z1=20,z2=20,z3=60,z3’=15,z4=30,z4’=15,z5=40,传动比i15等于 。若齿轮1转向如图所示,齿轮5转向 (向上/向下)
【简答题】听下面一段材料，回答第1-3题。 1. How did the woman think of the wine there? A. Good and cheap. B. Good but expensive. C. Cheap but not very good. 2. Where did the speakers travel probably? A. France. B. The US. C....
相关题目：
【判断题】In Conversation 2, both the woman and the man think last year’s restaurant is good.
A.
正确
B.
错误
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