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【单选题】
血液的 pH 平均为:
A.
7.30
B.
7.60
C.
7.50
D.
7.40
E.
7.70
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举一反三
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A.
They will not experience free radical production.
B.
They will experience more genetic changes in their lifetime.
C.
They have more liver genes to behave like young genes.
D.
They are more likely to suffer from inflammation.
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【单选题】—He had no hope for the game. What should I do? —Maybe you should encourage him
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cheering up
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【单选题】—He failed the exam again！What should I do，Miss Wang? —In my opinion，your son is________than stupid.
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much lazier
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【单选题】— What did you ask him? — I asked him _____. [     ]
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what I should do
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【单选题】He must be in trouble now. What should I do? ---______ .he will be OK .
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【单选题】What can be inferred about completely normally fed mice from the text?
A.
They will not experience free radical production.
B.
They will experience more genetic changes in their lifetime.
C.
They have more liver genes to behave like young genes.
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