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【简答题】
OSI参考模型中负责处理通信双方之间的数据格式变换、数据加密与解密、数据压缩与恢复等问题的是_____________层。
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反馈参考答案：
举一反三
【单选题】There was a fire last night, but the firemen _____ soon. [ ]
A.
put down it
B.
put it down
C.
put out it
D.
put it out
【单选题】Which of the following transitional devices is not correctly used?
A.
While they are new here, they know nothing about the place.
B.
Chinese prefer to show a child how to do it, while the westerners tend to leave the children alone to have a go on their own.
C.
British students care more about their performance in sports, Chinese students whereas often put their first priority in academic results.
D.
Although they have been here for a long time, but they know nothing about the place.
【单选题】—Why is she feeling down today? —Because the suggestion he ____ has been turned down.
A.
put away
B.
put up
C.
put down
D.
put forward
【单选题】Which of the following is NOT transitional word or phrase?
A.
for example
B.
furthermore
C.
in recent years
D.
by contrast
【单选题】洪水资料是进行洪水频率计算的基础,是计算成果可靠性的关键,因此也必须进行三性的审查,三性审查主要是指
A.
代表性、一致性、可靠性
B.
一致性、必然性、可靠性
C.
必然性、一致性、代表性
D.
可靠性、代表性、必然性
【单选题】Which transitional word cannot signal the process?
A.
after
B.
during
C.
when
D.
for instance
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