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【单选题】
下列关于载体的叙述中,错误的是 ( )A.
载体与目的基因结合后，实质上就是一个重组 DNA 分子
B.
对某种限制酶而言，载体最好只有一个切点，但还要有其他多种酶的切点
C.
目前常用的载体有、 λ 噬菌体的衍生物和动植物病毒
D.
载体具有某些标记基因，便于对其进行切割
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举一反三
【单选题】Leaving a copy of your ideas is a __________.
A.
personal touch
B.
soft touch
C.
light touch
D.
nice touch
【单选题】—Could you tell me_________？ —About two months. [ ]
A.
when are you leaving for Shanghai
B.
how soon you go to school library
C.
when you are leaving for Shanghai
D.
how long you have been at this school
【单选题】-I'm leaving for Guilin on holiday tomorrow. -_______.
A.
That's all right
B.
Have a good trip
C.
Thank you very much
D.
With pleasure
【多选题】党的领导是中国特色社会主义最本质的特征
A.
由科学社会主义的理论逻辑决定的
B.
由中国特色社会主义产生发展的历史逻辑决定的
C.
由中国特色社会主义迈向新征程的实践逻辑决定的
D.
由共产党自己决定的
【单选题】decide whether it is praised or criticized for about each employee. Jason T-shirts, jeans and sneakers
A.
for praised
B.
for Criticized
【简答题】党的领导是中国特色社会主义最本质的特征，是社会主义法治的前提。( )
【简答题】A．Jason Becket is not in condition recently. B．His music influenced jason Becker greatly. C．Jason Becket's music is often saddening. D．Jason Becker has released a new album called Earth.
【单选题】' Have you decided when ________?' ' Yes, tomorrow morning.' [ ]
A.
to leave
B.
to be leaving
C.
will you leave
D.
are you leaving
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