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【单选题】
关于硫酸的叙述中，正确的是( )
A.
浓H2SO4和稀H2SO4都难挥发
B.
浓H2SO4和稀H2SO4都有氧化性，故都是氧化性酸
C.
浓H2SO4和稀H2SO4加热都能与铜片反应
D.
浓H2SO4和稀H2SO4在常温下都可以用铁制容器贮存
题目标签：硫酸
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参考答案：
A
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举一反三
In the fifth paragraph, why did the writer say she was dreaming?
A.
Someone offered to take her back home.
B.
A red-haired man came to see her.
C.
Her wallet was found in a garbage truck.
D.
She heard someone call her name.
What is the main subject of the report discussed in the text?
A.
Climate change.
B.
Loss of animal habitat.
C.
Animal protection.
D.
Endangered animals
From the text, we can infer that the writer _________.
A.
would stay on in San Francisco
B.
would stop working at night
C.
would make friends with cleaners
D.
would give up her job at the bank
On her way home the writer _______.
A.
was robbed of her wallet by an armed man
B.
was stopped by a garbage truck driver
C.
lost her wallet unknowingly
D.
found some homeless people following her
相关题目：
In the fifth paragraph, why did the writer say she was dreaming?
A.
Someone offered to take her back home.
B.
A red-haired man came to see her.
C.
Her wallet was found in a garbage truck.
D.
She heard someone call her name.
What is the main subject of the report discussed in the text?
A.
Climate change.
B.
Loss of animal habitat.
C.
Animal protection.
D.
Endangered animals
From the text, we can infer that the writer _________.
A.
would stay on in San Francisco
B.
would stop working at night
C.
would make friends with cleaners
D.
would give up her job at the bank
On her way home the writer _______.
A.
was robbed of her wallet by an armed man
B.
was stopped by a garbage truck driver
C.
lost her wallet unknowingly
D.
found some homeless people following her
参考解析：
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