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【单选题】
对枸橼酸他的叙述哪正确的A.
顺式几何异构体活性大
B.
反式几何异构体活性大
C.
对光稳定
D.
对乳腺细胞表现出雌激素样作用，因而用于治疗乳腺癌
E.
常用做口服避孕药的成分
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举一反三
【单选题】听力原文：W: I want to try something new in the project. What's your opinion? M: Well, I prefer to go by the book. At least it is safer, isn't it? Q: What does the man suggest? (18)
A.
Testing a new but safer method.
B.
Strictly obeying the established rules.
C.
Trying something new from the book.
D.
Learning a new method through practice.
【单选题】Everyone should do something _________ wild animals. [ ]
A.
to protect
B.
protecting
C.
protect
D.
to protecting
【单选题】Why didn't Lee C. Bollinger present something more about the violation?
A.
To protect the privacy of the students.
B.
It was not allowed by the board of the university.
C.
Most of the students escaped during the scuffle.
D.
To prevent a revealment of the violation.
【单选题】在场面调度中，（）是一种演员调度的方法，镜头中演员作水平或者垂直方向的运动。这种调度缺少纵深感，带有比较强烈的绘画感，利于展现一个连续的动作或连贯的情节。
A.
平面调度
B.
纵深调度
C.
对角线式场面调度
D.
重复场面调度
【单选题】What is a GMDSS functional or carriage requirement for compulsory vessels?（）
A.
A compulsory vessel must carry at least two (2) licensed GMDSS operators
B.
A compulsory vessel must satisfy certain equipment carriage requirements that are determined by where the vessel sails
C.
A compulsory vessel must be able to transmit and respond to distress alerts
D.
All of the above
【单选题】It can be seen from the passage that in the second stage ______ .
A.
some traditional goods and services were not successful when provided by the home economy
B.
the market economy provided new goods and services never produced by the home economy
C.
producing traditional goods at home became socially unacceptable
D.
whether new goods and services were produced by the home economy became irrelevant
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