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【单选题】
已知f(x)＝x 2 ＋ax＋b，g(x)＝x 2 ＋cx＋d，又f(2x＋1)＝4g(x)，且f′(x)＝g′(x)，f(5)＝30，则g(4)= ( )A.
B.
C.
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【单选题】The maximum Blood Alcohol Concentration (BAC) rate on board shall not be more than by weight any time when being testedBut watch-keepers are not allowed to drink any alcoholic beverage before their wa...
A.
0.08% /4 hours
B.
0.008%/2 hours
C.
0.04%/4 hours
D.
0.04%/2 hours
【简答题】tratar(yo)
【简答题】tratar de
【单选题】The interviewees opinion of exercising at desk shows that it is
A.
a good way of losing weight.
B.
a solution that doesn't work.
C.
an efficient way of improving health.
D.
a bad way of wasting time.
【简答题】tratar de
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