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【判断题】
数据传输:电路ABC建立以后,数据就可以从A发送到B,再由B交换到C;C也可以经B向A发送数据。在整个数据传输过程中,所建立的电路必须始终保持连接状态。A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】Great changes have taken place ___. [ ]
A.
in the last few year
B.
in the last few years
C.
last year
D.
on the last year
【简答题】对羟基苯甲酸酯类
【简答题】There are much more visitors to the Jiuzhaigou this year than last year.
【单选题】What is the price of pumpkins this year?
A.
Higher than last year.
B.
Lower than last year.
C.
The same price.
D.
Not given.
【单选题】The number of players in this year's sports meet was half ______. [ ]
A.
last year's
B.
that of last year's
C.
of last year's
D.
those of last year's
【单选题】The sentence 'the wheat could not be full in the ear' in the last paragraph probably means that______.
A.
the waving of the wheat could not be heard fully through the ear
B.
the wheat could not bear good fruit
C.
Wang Lung' s ear was full of the sound of wheat
D.
the wheat could not fill the ear of people
【简答题】the last season of a year
【单选题】The Blacks are visiting China in May ______ [ ]
A.
this year
B.
last year
C.
the last year
D.
that year
【简答题】Last year my friends and I went camping. Last year I went camping______.
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