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【单选题】
一个操纵子通常含有A.
一个启动序列和一个结构基因
B.
一个启动序列和数个结构基因
C.
多个启动序列和一个结构基因
D.
多个启动序列和多个结构基因
E.
两个启动序列和一个结构基因
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举一反三
【简答题】根据句意和首字母填写单词。 1. At that time people r_____ that the story was a hoax. 2. A reporter a_____ that there would be no more spaghetti. 3. The man was so c_____ that hundreds of people believed the story. ...
【简答题】单词和词组（共10小题；每题1分，满分10分） 61. At that time people would ________ (挨饿) if food was difficult to find, especially during the cold winter months. 62. Today's festivals have many origins, some ________ (宗教上...
【单选题】At that time people of that country _________ small government, because they said that the government is here just to keep the market open and maintain law and order. It has no business________ people...
A.
believing in/forcing
B.
believing/forcing on
C.
believe in/force
D.
believe/forced
【单选题】At that time people of that country __ small government because they said that government is here just to keep the market open.
A.
believed
B.
believed in
【简答题】At that time people of that country (believed; believed in) small government, because they said that the government is here just to keep the market open and maintain law and order. It has no business ...
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