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【单选题】
注射抗蛇毒血清救治被蛇咬伤,属于A.
自然主动免疫
B.
人工主动免疫
C.
自然被动免疫
D.
人工被动免疫
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举一反三
【单选题】—I have a _______. —You shouldn’t eat too much candy.
A.
toothache
B.
headache
C.
backache
【单选题】Does money buy happiness? It's sometimes said that scientists have found no relationship between money and happiness, but that's myth, says University of Illinois psychologist Ed Diener. The connectio...
A.
the contributions of household incomes to happiness
B.
the complex relationship between money and happiness
C.
the positive relationship between money and happiness
D.
the negative relations of money to happiness
【简答题】阅读理解。 It's been claimed that playing a musical instrument makes you smarter. New research suggests that regularly playing a musical instrument changes the shape and power of the brain, and may be used...
【单选题】Does money buy happiness? It's sometimes said that scientists have found no relationship between money and happiness, but that's myth, says University of Illinois psychologist Ed Diener. The connectio...
A.
the contributions of household incomes to happiness
B.
the complex relationship between money and happiness
C.
the positive relationship between money and happiness
D.
the negative relations of money to happiness
【单选题】If you have a stomachache, you shouldn’t eat 24 hours.
A.
anything for
B.
something in
C.
something at
D.
anything in
【单选题】You _________ to eat snacks in the classroom.
A.
shouldn’t
B.
had better not
C.
oughtn’t
D.
needn’t
【单选题】_____ hungry you are, you shouldn’t start to eat before the whole family gather around.
A.
How
B.
However
C.
Unless
D.
If
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