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【单选题】
遗传密码和遗传信息分别存在于 ( )
A.
DNA分子和信使RNA分子上
B.
信使 RNA分子和DNA分子上
C.
信使 RNA分子和转运RNA分子上
D.
DNA分子和转运RNA分子上
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参考答案:
举一反三
【单选题】铁路信号是向有关行车人员和调车人员发出指示和命令,允许机车通过的是( )
A.
红灯
B.
绿灯
C.
白灯
D.
黄灯
【单选题】What's the author's advice to women who are absorbed in the idea of thinness?
A.
They should be more concerned with their overall lifestyle.
B.
They should be more watchful for fatal diseases.
C.
They should gain weight to 10ok healthy.
D.
They should rid themselves of fantasies about designer clothes.
【判断题】铁路信号:向有关行车和调车人员发出的指示和命令的设备。
A.
正确
B.
错误
【多选题】flash的最基本的动画类型有()
A.
逐帧动画
B.
补间动画
C.
声音动画
D.
视频动画
【判断题】“制造费用”账户按其经济内容进行分类属于成本类账户,按其用途结构分类属于费用计算账户。
A.
正确
B.
错误
【单选题】属于慢性肉芽肿性炎的是
A.
结核
B.
伤寒
C.
肠阿米巴病
D.
慢性支气管炎
E.
慢性阑尾炎
【简答题】A. The following short dialogues contain the expressions for inquiry and offer. Listen and fill in the blanks with what you hear. Dialogue 2 A: Hello, Sales Department, can I help you? B: Hello, this ...
【单选题】With the help of science and technology, the farmers produced ______ crops in 1994o as the year before.
A.
as twice as many
B.
as twice many
C.
as many as twice
D.
'twice as many
【多选题】Flash中的基本动画类型有( )。
A.
三维动画
B.
二维动画
C.
帧动画
D.
运动补间动画
【简答题】OK. _________________(To conclude; To sum up), there's still a lot to learn. We're _________________ (just beginning; only starting) to find out how pain control and mental health are different in men...
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