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小王的同事请小王帮个忙，但这件事是违规的，小王拒绝了，之后这位同事找到小王的领导，领导命令小王帮这个忙，小王很为难，你会给小王怎样的建议?
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举一反三
【单选题】Wind power is an ancient source of energy ________ we may return in the near future.
A.
on which
B.
by which
C.
to which
D.
from which
【单选题】标准体重指数的公式是( )。
A.
标准体重指数=[实测体重(kg)－标准体重(kg)]÷标准体重(kg)×100％
B.
标准体重指数=[标准体重(kg)－实测体重(kg)]÷标准体重(kg)×100％
C.
标准体重指数=[实测体重(kg)－标准体重(kg)]÷实测体重(kg)×100％
D.
标准体重指数=[标准体重(kg)－实测体重(kg)]÷实测体重(kg)×100％
【单选题】&8226;Read this text taken from an article about using wind to generate power. &8226;Choose the best sentence from the opposite page to fill each of the gaps. &8226;For each gap 9-14, mark one letter ...
A.
Local residents are determined to fight this plan.
B.
They also dismiss claims that wind technology is inefficient.
C.
However, this development has not been universally welcomed.
D.
To achieve this, some 40,000 300-kilowatt turbines would be needed.
E.
In a press release they state that the countryside is always changing and they deny that wind machines look ugly.
F.
Recent research, however, has indicated some new problems.
G.
Such allegations are dismissed out of hand by the company.
H.
It is now regarded as an important and economically viable source of energy. (9)
【判断题】以太网还采取一种叫作强化碰撞的措施。这就是当发送数据的站一旦发现发生了碰撞立即停止发送数据外,还要再继续发送32 bit或48 bit的人为干扰信号(Jamming Signal),以便让所有用户都知道现在已经发生了碰撞。对于10Mb/s以太网,发送32 bit或48 bit只需要3.3 或4.8 。
A.
正确
B.
错误
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