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【单选题】
下列叙述错误的是A.
硝酸银溶液通常保存在棕色试剂瓶中，因为硝酸银见光易分解
B.
乙醇的沸点比甲醚（CH 3 —O—CH 3 ）高，主要原因是乙醇分子间作用力更大
C.
反应AgCl + Br - → AgBr + Cl - 能在水溶液中进行，是因为AgBr比AgCl更难溶于水
D.
常温下浓硫酸可贮存在铁制或铝制容器中，说明常温下铝与浓硫酸不反应
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皮皮学刷刷变学霸
举一反三
【单选题】The government will pipe natural gas to the city's homes in order to ______.
A.
solve the problem of being short of fuel
B.
bring down the cost of daily life
C.
reduce the pollution of the capital
D.
keep up with the development of modem society
【简答题】被装扮
【单选题】可吸入颗粒物的粒径为
A.
＜ 10 μ m
B.
＞ 5 μ m
C.
5 μ m ～ 15 μ m
D.
1 μ m ～ 5 μ m
E.
0.1 μ m ～ 4 μ m
【单选题】Dr. Smith failed many times but he finally ______ to find a successful way to solve the problem.
A.
broke off
B.
broke down
C.
broke out
D.
broke through
【简答题】The special committee recommended that _________ (这项工程不应动工)until all the preparations have been made.
【简答题】Washington and Lee worked together with parents as______to help minorities at a special pre-enrollment session.
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