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【单选题】
下列关于逆转录酶的叙述不正确的是
A.
底物为四种dNTP
B.
合成方向3’→5’
C.
催化以RNA为模板进行DNA合成
D.
可形成DNA/RNA杂交体中间产物
E.
具有RNase的活性
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参考答案:
举一反三
【判断题】Tom is a boy.
A.
正确
B.
错误
【简答题】Tom and I are good friends. Tom is an English boy, but I am a Chinese girl. My name is Li Hua. He is 12 and I am 13. He is in Class One. I’m in Class One, too. Tom has a nice football. He can play it....
【单选题】Cloud computing is a style of computing in which dynamically scalable and often ( )resources are provided as a service over the internet.
A.
real
B.
fixed
C.
actual
D.
virtualized
【简答题】(46)It may be said that the measure of the worth of any social institution is its effect in enlarging and improving experience but this effect is not a part of its original motive.此处译文为:
【单选题】Tom is an English boy.
A.
True
B.
False
【单选题】Tom is      honest boy.
A.
a
B.
an
C.
the
D.
/
【单选题】Purchasing computing power from a central computing service and paying only for the amount of computing power used is commonly referred to as:
A.
autonomic computing.
B.
utility computing.
C.
client/server computing
D.
grid computing.
【单选题】Tom is ()honest boy.
A.
a
B.
an
【单选题】下列《纪念傅雷》语句中,体现了文章机趣幽默特点的是
A.
俗话说:“秀才人情纸半张。”我连这半张纸也没有献在老朋友灵前
B.
后来知道他的别号就叫“怒庵”,也就不以为奇
C.
一九六六年八月下旬,我已经在里弄里被“示众”过了
D.
只见他家门口贴满了大字报,门窗紧闭,真是“鸦雀无声”
【单选题】Tom is an honest boy.
A.
诚实的
B.
狡猾的
C.
聪明的
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