题目内容

How can you practice your oral English?

A. Go to classes
B. Join groups or activities with English-speakers
C. Find a conversation partner online
Do a language exchange
E. Go to English corner

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There is an easy way to improve your oral English without any pressure.

A. 对
B. 错

When you do the speed reading, please choose something easy and lower than your current English level.

A. 对
B. 错

You need phrases and sentences when you speak. So, learning language in phrases and sentences is much more useful than to remember the individual words.

A. 对
B. 错

DNA复制时,5'-TAGA-3'序列产生的互补结构是下列那一种()。

A. 5'-TCTA-3'
B. 5'-ATCT-3'
C. 5'-UCUA-3'
D. 5'-GCGA-3'

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