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【简答题】
正反交反复选择发建系整个过程中包括了：（）、（）、（）三个过程。
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反馈参考答案：
举一反三
【简答题】进线间应在主机房之_____;主配线区域宜设置在主机房_____。
【单选题】- Bring me the bill, please. - _________
A.
You are welcome.
B.
Please wait for a moment, sir.
C.
I'll hurry up.
D.
Be quick.
【单选题】My plane at 8:30 am, so I _______ home at 8:00 tomorrow morning.
A.
leaves; leave
B.
leaves; am leaving
C.
is leaving; am leaving
D.
is leaving; leave
【单选题】关于移位的特点,错误的是
A.
移位需要GTP提供能量
B.
移位是肽链延伸的最后一步
C.
核糖体沿mRNA移动与肽基-tRNA的移位两个过程是耦联的
D.
移位的过程是,每次核糖体向mRNA移动的密码子数随物种而变化
【简答题】Our is not on board, please wait a moment. I’ll call him back.
【单选题】My mother _____ Beijing in a few days. I wonder when the earliest plane _____ on Monday. [ ]
A.
leaves; takes off
B.
is leaving; takes off
C.
is leaving; is taking off
D.
leaves; is taking off
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