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【多选题】
信道可以分为()A.
数字信道
B.
模拟信道
C.
物理信道
D.
逻辑信道
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【简答题】Do you still get free plastic bags from the supermarkets? Things have changed. China has banned（禁止）free plastic bags in shops and supermarkets，and people have to pay for using plastic bags. The rule ...
【单选题】—Why does the lake smell terrible? —Because large quantities of water .
A.
have polluted
B.
is being polluted
C.
has been polluted
D.
have been polluted
【简答题】Ablind date is_________ in Chinese.A. 盲目恋爱 B. 相亲
【简答题】A．He is not very knowledgeable. B．He is respectful of his students. C．He speaks too much in the class. D．He has traveled extensively.
【判断题】Going Dutch in a blind date is a good idea is a proper central idea expression.
A.
正确
B.
错误
【单选题】He speaks very good English but he knows ___________ English people. [ ]
A.
few
B.
little
C.
a few
D.
a little
【单选题】_____ he’s only been learning English for a year, he speaks it very well.
A.
Considered
B.
Considering
C.
Having considered
D.
To consider
【单选题】--David speaks English very well. -- ______ .
A.
So he does, and so you do
B.
So does he, and so do you
C.
So he does, and so do you
D.
so does he, and so you do
【判断题】Blind date is a date where the people involved have not met each other previously. The match could have been arranged by mutual friends or bya dating system.
A.
正确
B.
错误
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