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【单选题】
激活NK细胞，增强细胞免疫功能的细胞因子包括（）A.
IL－12、IFN－γ
B.
IL－5、IL－7
C.
IL－8、IL－GM－CSF
D.
IL－2、IL－4
E.
IL－1、IL－3
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【单选题】Kate, ______ in bed, _____you?
A.
don’t read…will
B.
don’t read… do
C.
doesn’t read…do
D.
isn’t read… are
【简答题】阅读理解。 Eat less and exercise more-it has long been a magic word for reducing those extra weight. But now it seems that all the hard work may have been in vain. Scientists say there are ten other reason...
【单选题】Leptin is effective in reducing weight but it's many years away before humans can use it.
A.
Y
B.
N
C.
NG
【单选题】 Her grandmother ________ in 2010. She has been ________ for three years.
A.
dead; dead
B.
died; died
C.
dead; died
D.
died; dead
【简答题】There has been much discussion recently about reducing the weight of English in China's high-stake tests such as the national college entrance examination. It is argued by some applauding the recent c...
【单选题】1 Millions of teens are on weight-reducing diets. Although maintaining a healthy body weight is important, obsessive dieting can lead to eating disorders. Eating disorders can disrupt lives and someti...
A.
muscle weakness and heart failure
B.
kidney disease and low body temperature and pulse rate
C.
dropping resistance to infection
D.
destroyed tooth enamel and unhealthy gums
【简答题】根据短文内容，判断下列句子是否正确，对的涂（A），错的涂（B）。 Kate is a little girl. She’s only five. She is not at school. She doesn’t know how to read or write. But her sister Mary is a student. She knows how to read and write....
【简答题】There are reports coming in of more fighting in ... Mark: Do you mind if I turn it off? Janet: It’s fine, I wasn’t listening. Mark: Do you follow the news? Janet: Yeah, I do. But I don’t often listen ...
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