皮皮学，免费搜题
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【单选题】
关于对流层臭氧的描述，正确的是A.
保护地球免受紫外辐射的伤害
B.
近地面大气中没有臭氧
C.
由 VOCs、NOx等在太阳辐射条件下发生化学反应产生的一种二次污染物
D.
对流层臭氧的形成过程与自由基没有关系
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反馈参考答案：
举一反三
【简答题】Should the price be found workable, and delivery date acceptable, we intend to place a large ____ with you.
【单选题】Should your price be found competitive and delivery date ___ we intend to place a large order with you.
A.
accept
B.
acceptable
C.
accepting
D.
accept
【单选题】Which train is the woman taking? 查看材料A.The10:17．###
A.
Which train is the woman taking? 查看材料 A.The 10: 17．
B.
The 10:45．
C.
The 11: 15．
【简答题】Should your price be found competitive and delivery date accepting, we intend to place a large order with you.
【单选题】Should your price be competitive and delivery date _________, we intend to place a large order.
A.
acceptable
B.
be acceptable
C.
is acceptable
D.
being acceptable
【简答题】(英译汉)Should your price be competitive and date of shipment acceptable, we intend to place a large order with you.
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