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【简答题】
函数y=x 3 +lnx在x=1处的导数为 .
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举一反三
【单选题】The first paragraph of this passage is mainly about______.
A.
the danger of making experiments
B.
the importance of habit in the survival of mankind
C.
the food our distant ancestors ate
D.
the behavior. of younger generations
【单选题】A lot of people as well as the president of the animal protection association ____________ experiments on animals.
A.
are opposed to do
B.
oppose to doing
C.
is opposed to doing
D.
oppose doing
【单选题】The bias blind spot can prompt a scientist to______.
A.
overemphasize the value of experiments
B.
refuse to accept the failure of his experiments
C.
discard some valuable data
D.
disbelieve data collected by others
【简答题】As a chief, his task is to organize the work in the lab but he seldom does experiment in person. A)身为主任，他的任务是组织实验室的工作，很少亲自做实验。 B)身为主任，他的任务是在实验室里组织工作，很少亲自做实验。 C)尽管是主任，他的任务只是组建实验室，本人却很少做实验。 D)当主任的时候，他只是...
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