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【多选题】
下列关于普查的说法，正确的有（）A.
普查是专门组织的一次性全面调査
B.
用来调查属于一定或一定时期内的社会现象总量
C.
普查适用于搜集某些不能或不适宜于定期的全面统计报表搜集的统计资料
D.
普查的单位按随机原则抽取
E.
普查的工作量大，耗资也多，时间周期较长，一般不宜经常举行
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【简答题】以噬菌体为媒介的DNA转移是( )。A.转化 B.转导 C.接合 D.原生质体融合 E.转染 涉及形成短暂的二倍体菌细胞进行基因交换的是( )。A.转化 B.转导 C.接合 D.原生质体融合 E.转染 细菌直接摄取外源DNA的是( )。A.转化 B.转导 C.接合 D.原生质体融合 E.转染 通过性菌互连接沟通进行DNA转移的是( )。A.转化 B.转导 C.接合 D.原生质体融合 E.转染
【简答题】With fewer accidents, insurance costs may be lower for self-driving cars than other vehicles. In a self-driving car, you would not have to be 2) ______ talking on the phone or sending a text message. ...
【单选题】Would you mind my little sister while I am away? —Of course not.
A.
looking for
B.
looking at
C.
looking after
D.
looking forward to
【简答题】完形填空。 Gold Mine in Scotland If you were interested 1 a gold miner, you would probably not think 2 to Scotland to begin your career. But 3 a gold rush in Scotland a hundred years ago, even though it on...
【单选题】You are delivering training to a group of Japanese expatriates at your offices and you notice that most of the group do not have any eye contact with you while you are explaining a technical process. ...
A.
They are concentrating and listening hard.
B.
They are suffering from jet lag and struggling to stay awake.
C.
They are distracted from your session.
【简答题】While you would not want to (adoption)_____ this coding style, it helps explain how the processor works.
【单选题】—Would you mind ________ my pet dog while I'm not at home? —Of course not. [ ]
A.
looking at
B.
looking up
C.
looking for
D.
looking after
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