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【单选题】
蒸馏水器上的隔沫装置的作用是防A.
蒸汽逸散
B.
爆沸
C.
带入热原
D.
带入废气
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举一反三
【单选题】听力原文：Staying healthy today means more than just going to a doctor when you're ill. What does 'staying healthy' mean today?
A.
You should often go to a doctor.
B.
Going to a doctor regularly helps.
C.
Keep fit and strong all the time.
D.
You should never go to a doctor.
【简答题】渗碳体是一种具有复杂结构的()。 A间隙化合物 B间隙相 C间隙固溶体
【单选题】People ________do exercise every day have a better chance of staying healthy than those ________don’t.
A.
who; /
B.
/; who
C.
who; who
D.
/; /
【单选题】The author of this passage intends to argue that______.
A.
staying healthy is impossible without accumulating much wealth
B.
being physically healthy can eventually contribute to your wealth
C.
feeling good about your finance is also of health benefit
D.
a large fortune will increase the chance of deterioration of health
【简答题】The keys to reaching or staying at a healthy weight are regular exercise and good eating habits. s should get 60 minutes or more of physical activity a day. Note the word “activity”. As long as yo...
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