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A.An official of the UN.B.A coffee shop owner.C.A friend of the speaker.D.Alex's frien

An official of the UN.
B. A coffee shop owner.
C. A friend of the speaker.
D. Alex's friend from California.

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By saying obesity is a disease, public health campaigns are thought to indicate that weight gain

A. is caused by bacteria
B. is related to the environment
C. is people's own fault
D. is mainly due to social factors

According to the passage, what is PTK used to?

A. To locate one's birth place.
B. To promote genetic research.
C. To find out if one is the father of a child.
D. To help improve one's intelligence.

【C18】

A. especially
B. specially
C. frequently
D. rarely

A公司20×9年改良后的设备折旧额为()。

A. 158.01万元
B. 158.65万元
C. 178.02万元
D. 178.48万元

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