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【单选题】
Untitled4.mp3: 4.A.
To attend a conference.
B.
To work in a firm.
C.
To do some sightseeing.
D.
To visit an exhibition.
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【简答题】Wood is becoming s______( 紧缺 )in the country and a new material must be found to replace it.
【简答题】A. It's being drained from Nebraska to Texas. B. It's being pumped out. C. It's becoming contaminated with oil D. It's becoming much warmer.
【单选题】带有圆弧连接的平面图形绘制时,作图的顺序应为 ( )
A.
先画连接圆弧，再画已知圆弧，最后中间圆弧。
B.
先画已知圆弧，再画连接圆弧，最后中间圆弧。
C.
先画已知圆弧，再画中间圆弧，最后连接圆弧。
D.
先画中间圆弧，再画已知圆弧，最后连接圆弧。
【简答题】The author gave us ___________ people’s secrets of becoming a millionaire in the passage.
【单选题】In the sentence 'an area covering 30% of the earth's land surface is desert, becoming desert, or in danger of becoming desert' , the part of ' is desert, becoming desert, or in danger of becoming dese...
A.
is becoming desert, has become desert, or will becoming into desert
B.
has been desert, is becoming desert, or will become into desert
C.
is becoming desert, will become desert, or becomes into desert
D.
has been desert, is becoming desert, or will become into desert
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