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【简答题】
设f(x)=x-arctanx，则当x＞0时( )． (A)arctanx＜x (B)f(x)单调递减 (C)arctanx＞x (D)以上都不对
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皮皮学刷刷变学霸
举一反三
【单选题】After that, he knew he could __ any emergency by doing what he could to the best of his ability.
A.
get away with
B.
get on with
C.
get through
D.
get across
【单选题】Why does the professor say this:
A.
He is introducing a new major point.
B.
He is trying to get the students to participate.
C.
He is drawing a conclusion about engineering.
D.
He is disagreeing with his previous comment.
【简答题】A．He saves much money because he needn't drive car or take bus. B．He doesn't have to get up on time every day. C．He can easily earn much money. D．He has a lot of time to cook a meal at home.
【单选题】It was ____ the ambulance came ____ to the hospital. [ ]
A.
until; that he got sent
B.
until; did he get sent
C.
not until; that the boy was sent
D.
not until; did he got sent
【多选题】关于股票估价的市盈率模型(股票价值＝标准市盈率×每股盈利)的下列说法中，A的有( )。
A.
它是一种比较粗糙的测算方法，因为没有考虑货币时间价值
B.
它要求根据同行业股票历史平均市盈率和公司当期每股盈利估计股票价值
C.
它既考虑了系统性风险，又考虑了非系统性风险
D.
它表明投资于低市盈率的股票容易获利
【单选题】He was facing charges on forgery in a court of law but he hired a good lawyer to_____.
A.
get by
B.
get up
C.
get off
D.
get through
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