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【简答题】

In some provinces, the Romanised civilisation quickly disappeared after the imperial power of the Romans broke down around______.

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【单选题】Defective Genes and Human Health Each of us carries about half a dozen defective(有缺点的) genes. We remain blissfully(快乐地) unaware of this fact unless we, or one of our close relatives, are amongst the m...

A.
About 10% people have developed an inherited genetic disorder.
B.
Diseases of genetic origin account for about 5% of all admissions to hospitals.
C.
All the defective genes produce bad effects.
D.
Hemophilia is a kind of the X chromosome-linked genetic disease.

【单选题】Cigars Instead Smoking one or two cigars a day doubles the risk of cancers of the lip, tongue, mouth, and throat, according to a government study. Daily cigars also increase the risk of lung cancer an...

A.
smoking bad-quality cigars.
B.
smoking very cheap cigars.
C.
being very cigar smokers when they are not smoking.
D.
being very near cigar smokers when they are smoking.

【单选题】What does the woman mean

A.
[A] She’ll change it for him.
B.
She can’t change it for him.
C.
She’d like to see what is wrong with it.