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【单选题】
下面哪种气体可以使血液的运氧能力下降A.
CO
B.
联苯胺
C.
苯蒸气
D.
二氧化碳
E.
氯气
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反馈参考答案：
举一反三
【单选题】日本传统的居民多是用质地较轻的建筑材料建造的，主要原因是
A.
日本资源贫乏，这样做是为了节省材料
B.
日本房屋更新快，这样做是为了便于拆迁
C.
可以减轻对地面的压力，以免引发地震
D.
以减轻地震灾害造成的人员伤害
【单选题】______ the book again, she discovered that she had missed a lot in her first reading.
A.
While reading
B.
When read
C.
As reading
D.
In reading
【单选题】She ________ with delight when she learned the news that she won the first prize in the dubbing contest. A)choked B)beamed C)groaned D)recalled
A.
choked
B.
beamed
C.
groaned
D.
recalled
【单选题】________ the letter, tears kept coming down from her eyes. A. To read B. Reading C. She was reading D. While she was reading
A.
To read
B.
Reading
C.
She was reading
D.
While she was reading
【简答题】She sobbed (啜泣) as she recalled the _____________ memory.
【单选题】 A) She is writing. B) She is reading a magazine. C) She isediting. D) She is beinginterviewed.
A.
She is writing.
B.
She is reading a magazine.
C.
She isediting.
D.
She is beinginterviewed.
【单选题】Taco Bell's economists determine that the price elasticity of demand for their tacos is 2.0. So, if Taco Bell raises the price of its tacos by 6.0 percent, the quantity demanded will decrease by _____...
A.
2.0
B.
3.0
C.
6.0
D.
12.0
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