皮皮学，免费搜题
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【单选题】
Since the 1980s, it ______ possible to listen to British and American English at the flick of a switch.A.
is
B.
has been
C.
had been
D.
was
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反馈参考答案：
举一反三
【简答题】A．compliments B．complacency C．flattering D．boast
【单选题】If he _______ in landing a job， Tom will inform. us immediately。
A.
succeeds
B.
succeeded
C.
will succeed
D.
is succeeding
【多选题】What types of coasts are commonly found in China?
A.
Muddy coasts
B.
Rocky coasts
C.
Bio-coasts
D.
Sandy coasts
【简答题】A．beware B．dispose C．ensure D．boast
【简答题】筛网过滤器的类型很多，有[填空(1)] 、[填空(2)][填空(3)] 等A. 旋转式B. 振动式C. 转鼓式
【简答题】肺泡上皮的种类和功能
【单选题】If you are interested in this job, please ______ us as soon as possible.
A.
contract
B.
contact
C.
consider
D.
combine
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