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【单选题】
This technique is becoming more refined and more acceptable all the time.Which is the meaning of ‘refined ’in the sentence?A.
made pure by having other substances taken out of it
B.
polite and well educated
C.
Be carefully developed
D.
freed from impurities by processing;
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举一反三
【单选题】The telephone __________ for almost a minute．Why doesn’t somebody answer it?
A.
has rung
B.
had rung
C.
has been ringing
D.
is ringing
【单选题】My telephone has rung so often today that it is becoming a(n) ______.
A.
interruption
B.
bore
C.
distress
D.
nuisance
【单选题】I was about to the phone when it was . [ ]
A.
reply; rung of
B.
receive; rung up
C.
answer; rung off
D.
answer; rung up
【单选题】The telephone __________ for almost a minute．Why doesn’t somebody answer it?A.has rung###
A.
The telephone __________ for almost a minute．Why doesn’t somebody answer it? A.has rung
B.
had rung
C.
has been ringing
D.
is ringing
【简答题】居住区绿地规划设计
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