下列关于0.1 mol·L^-1硝酸钾溶液的叙述中，正确的是(    )

A．1 L该溶液中含有硝酸钾101 g

B．100 mL该溶液中含有硝酸钾0.01 mol

C．从1 L该溶液中取出500 mL后，剩余溶液的浓度为0.05 mol·L^-1

D．1 L水中溶解0.1 mol硝酸钾,即可配得0.1 mol·L^-1硝酸钾溶液

给出下列各句的一般疑问句，并作简短的肯定、否定回答。

1. She would like an olive pizza.

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2. Miss Green can answer the question. 

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3. There was a lot of water in the lake.

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4. Tommy is playing chess with his friend.

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5. We do our homework every day.

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6. His brother wrote a letter last night. 

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