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【单选题】
如果一台路由器发生了拥塞,那么它应向数据报的源主机发送的ICMP报文为( )。A.
源站抑制报文
B.
超时抑制报文
C.
控制报文
D.
重定向报文
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举一反三
【单选题】The experiment is to take place
A.
in outer space.
B.
from a pyramid.
C.
on the Internet.
D.
on another planet.
【单选题】The main point we learn from the passage is _________.
A.
willingness to experiment is the key to close friendships
B.
openness to others is important in inter-personal relationships
C.
direct offers of friendship are not easily accepted
D.
good friendships are not easily formed
【单选题】What is the main purpose of this passage?
A.
To point out we have greatly improved our reading methods.
B.
To explain how silent reading developed.
C.
To illustrate the advantages of silent reading over reading aloud.
D.
To criticize the mass media.
【单选题】To our ______, the result of the experiment is much better than we expected.
A.
relief
B.
regrets
C.
disappointment
D.
sorrow
【单选题】One of the requirements for the experiment is that the material _____ to its burning temperature．
A.
is heated
B.
will be heated
C.
be heated
D.
would be heated
【单选题】The main point we learn from the text is ______.
A.
willingness to experiment is the key to close friendships
B.
openness to others is important in interpersonal relationships
C.
direct offers of friendship are not easily accepted
D.
good friendship are not easily formed
【单选题】Which of the following statements about the volunteers in the experiment is NOT true?
A.
The oldest volunteer was seventy years old.
B.
They are tested with jokes both in written and spoken form.
C.
The majority of the volunteers suffered from brain damage.
D.
Comparatively people suffered from right anterior frontal lobe damage was most humorless.
【单选题】According to the first paragraph, the experiment is designed by Ellen Langer to show
A.
how men could rewind the body clock.
B.
how the old men traveled back to the past.
C.
how the old hotel influences people's mind.
D.
how the state of mind influences health.
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