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【判断题】
一般情况下,水分活度越小的食品越稳定。()A.
正确
B.
错误
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】ColE1是惟一用作基因工程的自然质粒载体，它具有四环素抗性标记，因而很容易选择。
【单选题】When would Sarah want to hand in her assignment?
A.
Tomorrow.
B.
After the weekend.
C.
Next Monday.
D.
A week after the deadline.
【单选题】--- Shall I phone the hotel for information? --- There is no need. Sarah said that she would _______ for the weekend.
A.
put us through
B.
put us up
C.
put us out
D.
put us down
【单选题】When would Sarah like to sit down with James?( )
A.
Today
B.
Some time next week
C.
Any time between today and the end of Friday
D.
This weekend
【多选题】在“不忘初心、牢记使命”主题教育工作会议上的讲话中指出,整改落实要防止()
A.
虎头蛇尾、久拖不决
B.
搞纸上整改、虚假整改
C.
以简单问责基层干部代替整改责任落实
D.
以整改为名，层层填表报数，增加基层负担
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