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【单选题】
下列有关物质用途的说法中，不正确的是A.
液氨可用作制冷剂
B.
氯气可用于制漂白液
C.
氧化铝可用于制造耐高温的实验仪器
D.
氧化钠可用作呼吸面具中氧气的来源
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举一反三
【单选题】A lot of trees and flowers are on ______ of the river and the number of them is growing ______.
A.
both side, greater
B.
each sides, more
C.
both sides, larger
D.
each side, more
【单选题】Although scientists have______long the human appendix as______organ, there is a growing body of evidence indicating that the appendix does in fact have a significant function as a part of the body's i...
A.
overestimated … a minor
B.
discounted … a vestigial
C.
valued … a major
D.
ignored … a pivotal
E.
studied … an inaccessible
【单选题】After their day' s shopping, they ______.
A.
were happy with their bargains
B.
had got everything they wanted
C.
got more than they had hoped for
D.
had to go back to the sales the next day
【单选题】It's time ______ about the noise pollution late at night.
A.
something will be done
B.
everything is done
C.
something was done
D.
everything will be done
【单选题】There are many trees ___ of the road! And ____ of the trees is growing larger and larger. [ ]
A.
on both side; a number
B.
on each sides; a number
C.
on both sides; the number
D.
on every side; the number
【简答题】企业发生的各种经济业务事项可以在企业自设的会计账簿上登记与核算。 （ ）
【单选题】听力原文： Barry's Bookstore is going out of business. This is our final month, and everything in the store must go! Come in today for the most amazing bargains you've ever seen. You'll find our lowest pri...
A.
Holiday.
B.
End-of-the-month.
C.
Back-to-school.
D.
Going-out-of-business.
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