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【单选题】
体温下降期热代谢特点是A.
散热减少,产热增加,体温↓
B.
产热减少,散热增加,体温↓
C.
散热减少,产热增加,体温保持
D.
产热与散热在上相对平衡,体温保持
E.
产热减少,散热增加,体温恒定
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【单选题】It is suggested in Paragraph 4 that______.
A.
loss of memory can be attributed to stress
B.
post-traumatic stress is a kind of brain disorder
C.
severe stress may hinder memory forming
D.
chronic distress has not been correctly dealt with
【简答题】孔的公差带在轴的公差带之上为（）配合；孔的公差带与轴的公差带相互交迭为过渡配合；孔的公差带在轴的公差带之下为过盈配合。
【单选题】In the sentence “Consumers bother less with pocket change and are able to use plastic even at tradition- ally cash - only vendors.” ( paragraph 3 ), the word “plastic” has the meaning of _____.
A.
credit card
B.
plastic bill
C.
money
D.
check
【单选题】The research conducted by Porter and Landfield showed that ______.
A.
the levels of adrenal hormones have nothing to do with brain aging
B.
changes in the levels of adrenal hormones can affect brain aging
C.
chronic stress may strengthen one's memory
D.
the rate of brain aging always remains stable
【简答题】“酵素”一词来自日语，实际上就是披着外国马甲的酶。人体现在发现的酶有700多种，一般能够自己合成，不需要额外补充。即使需要补充，也不能通过口服的方式。商家的宣传的确没错，但他们不会告诉你，口服酵素一点用都没有。例如，SOD(超氧化物歧化酶)是人体内最重要的酶之一，也是酵素商家的主打产品。但是通过对比试验可以发现，酵素产品中的SOD活性单位还不如同等质量的生菜和西红柿。所以说，花重金购买概念产品，还...
【单选题】______ (长期的) stress has even more ways that can sabotage your health.
A.
Christian
B.
chronological
C.
Chronic
D.
synchronical
【单选题】Chronic ______ stress, such as depression and anxiety, can bring about the negative influence on immune and nervous system.
A.
medical
B.
physical
C.
psychological
D.
periodical
【单选题】The research’ conducted by Porter and Land field shows that
A.
the levels of adrenal hormones have nothing to do with brain aging。
B.
changes in the levels of adrenal hormones can affect brain aging．
C.
chronic stress may strengthen one’s memory．
D.
the rate of brain aging always remains stable．
【单选题】____ stress can increase the risk of diseases such as depression, heart disease and even cancer.
A.
arrogant
B.
deficient
C.
chronic
D.
inborn
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