复利计息是指在计息周期内对已计算未支付的利息不计收利息。()
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In Japanese, the word "Karaoke" come from "kara" and "oke. " What do these words mean？
A. Sing and together.
B. Sing and have fun.
C. Orchestra and singer.
D. Empty and orchestr
DNA是以半保留方式进行复制的，如果放射性全标记的双链DNA分子在无放射性标记的溶液中经两次复制，那么所产生的4个DNA分子其放射性状况如何？()
A. 两个分子含有放射性
B. 全部含有放射性
C. 双链中各有一半含有放射性
D. 所有分子的两条链都没有放射性
How would you describe the writer's attitude toward Karaoke？
A. She often goes, and likes it sometimes and sometimes not.
B. She thinks it is not only fun, but stress relieving as well.
C. She has not tried it herself so has no attitude about it.
D. She feels it is a waste of tim
Why did the author's aunt try to teach her children to speak Korean？
A. To help her improve her Korean language skills.
B. To help them establish a Korean identity.
C. To help them succeed in the U. S.
D. To help them find a good jo
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