A.The most exercised group lost the most of their weight.B.The non-exercise grou
A. The most exercised group lost the most of their weight.
B. The non-exercise group lost the least of their weight.
C. The moderately exercised group lost the most of their weight
D. The three groups almost have no distinction.
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RT-PCR(reverse transcript PCR)
What do we know about the AIDS patients the author has cared for？
All of them need the help of medications.
B. Some of them die of refusing medications.
C. All of them die of AIDS eventually.
D. Some of them are killed by the fear of AIDS.
What can be learned about Twitter from the passage？
A. It provides streams of information.
B. It keeps people updated on the news.
C. It makes people feel overwhelmed.
D. It is no different than Facebook.
缓解物业管理矛盾的根本所在是（）。
A. 物业服务收费与服务水平相适应
B. 企业的经营作风必须诚实信用
C. 提高价质相符的市场交换意识
D. 增强业主的自主管理能力
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