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下列事例中主要目的是将电能转化成内能的是
[     ]
A．给手机充电
B．用电饭锅煮饭
C．用电风扇吹风
D．摩擦起电

A.给手机充电
B.用电饭锅煮饭
C.用电风扇吹风
D.摩擦起电

【参考答案】

B

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坚持整体推进，统筹谋划深化改革()，注重推动各项改革相互促进、良性互动、协同配合。

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阅读理解“Are you going to 181st Street?” asked an old woman.The younger woman leaving the supermarket was in a hurry, but she stopped andturned to look. She saw an old lady with a small bag of groceries at her feet.She was breathing hard.“If you’re going toward 181st street, could you carry my bag for me?”“I don’t have the time for this,” the younger woman thought. But when she sawthe old woman, who looked very tired, she said,” Of course.”The old woman took hold of the younger woman’s arm and they walked togetherslowly and talked. They were neighbors but they didn’t know each other. The oldwoman lived alone and the younger woman lived with her family. They talked aboutthe difficulty of living in a big city: the younger woman talked about the costof food and the problems of raising children, the older about loneliness.They finally reached the old woman’s apartment house. She seemedreluctant(迟疑的) to go in. she reached into her purse. “Let me give you a dollarfor your trouble,” she said.“Oh, no. It was no trouble.”“Well, we’re neighbors,” the old woman said. “We’ll see each otheragain.”“I hope so.”The old woman took her bag and started to go in. Then she turned and saidsadly, “But then, perhaps we’ll never see each other again.”1. Where did the two women meet?A. On a bus.B. In a supermarket.C. Along the street.D. In the neighborhood.2. What can we learn about the old woman?A. She knew the younger woman before.B. She lives with her family.C. She lives on 181st Street.D. She lives in the countryside.3. Why did the young woman hesitate(犹豫) when the old woman asked forhelp?A. Because she was in a hurry.B. Because she had a lot of groceries herself.C. Because she was very tired.D. Because she did not know the old woman.4. What did the old woman talk about on her way back home?A. the cost of foodB. lonelinessC. difficulty of raising childrenD. the past of her life5. Why did the old woman stop before she entered her apartment house?A. She wanted to pay the young woman for her help.B. She wanted to invite the young woman in for dinner.C. She wanted to borrow some money from the young woman.D. She wanted to spend more time talking with the young woman.6. What can we learn from the last paragraph?A. Both women in the story are quite busy.B. The old woman knows she is going to die soon.C. The two women in the story live far from each other.D. People seldom communicate in that neighborhood.

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