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【单选题】
The Jewish New Year most probably comes between ______.
A.
July and September
B.
October and December
C.
January and March
D.
April and June
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举一反三
【单选题】.Not ______ beautiful, the building is ______ now.
A.
looking, being built
B.
looked, being built
C.
being looked, building
D.
looking, built
【简答题】基因与启动子、增强子的关系是(    ) A.少数基因只有启动子即可表达  B.多数基因只有启动子即可表达  C.少数基因只有增强子即可表达  D.多数基因表达依赖启动子、增强子同时存在
【简答题】Directions: Read the following text. Choose the best word or phrase for each numbered blank and mark A, B,C or D on, ANSWER SHEET 1. Western-style. conversations often develop quite differently from J...
【单选题】Look! The houses _________.
A.
is being built
B.
are building
C.
being built
D.
are being built
【单选题】SECTION A CONVERSATIONS Directions: In this section you will hear several conversations. Listen to the conversations carefully and then answer the questions that follow. 听力原文:W: Look, I'm sorry, but t...
A.
A notice on the bulletin board.
B.
A book for a class the man is taking.
C.
A chemistry class that is being taught.
D.
The library reserve desk.
【多选题】单循环比赛编排方法有:
A.
交叉法
B.
贝格尔
C.
配对法
D.
固定轮转法
【判断题】RNA聚合酶Ⅲ的启动子都是基因内启动子。 ( )
A.
正确
B.
错误
【多选题】单循环比赛编排方法有
A.
贝格尔
B.
配对法
C.
交叉法
D.
固定轮转法
【单选题】ptac启动子启动基因表达的效率是单个plac启动子的( )倍
A.
2.4
B.
11
C.
3
D.
5
【简答题】从四个选项中,选出与所给句子画线部分意思相同或相近的选项。 1. We will be able to afford a new car next year. A. should B. can C. may D. must 2. Your schoolbag is similar to mine. I don't know which one to take. A. liking B. diffe...
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