问题
选择题
| 如图所示，在调节平衡后的杠杆两侧，分别挂上相同规格的钩码，杠杆处于平衡状态．如果两侧各去掉一个钩码，则（ ） A．左端下降 B．右端下降 C．仍然平衡 D．无法判断  |
答案
答案：A
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| 如图所示，在调节平衡后的杠杆两侧，分别挂上相同规格的钩码，杠杆处于平衡状态．如果两侧各去掉一个钩码，则（ ） A．左端下降 B．右端下降 C．仍然平衡 D．无法判断 |
答案：A
| 完形填空。 | |||
| My pen friend is a kind and friendly girl. She is in England. Her 1 is Connie. I 2 Connie on the Internet, and we are both twelve years old. First, I 3 a letter to her and introduce (介绍) my hobbies, my school and my daily life. A few days later, I receive (收到) Connie’s 4 . She 5 me a lot about herself. I learn that she 6 languages, sports and movies. She likes China and Chinese food very much. She tells me something about England, too. Connie is 7 at English and French, so I ask her to 8 me a little of them. Connie wants to learn some Chinese, but it’s very 9 for her. Through Connie, I know more about the world outside. I would like to visit Connie some day in 10 . | |||
| ( )1. A. hobby ( )2. A. meet ( )3. A. read ( )4. A. book ( )5. A. asks ( )6. A. learns ( )7. A. bad ( )8. A. teach ( )9. A. easy ( )10. A. China | B. name B. visit B. sing B. letter B. says B. hates B. good B. tell B. interesting B. America | C. age C. treat C. write C. call C. talks C. loves C. right C. show C. difficult C. Australia | D. job D. understand D. draw D. present D. tells D. chooses D. wrong D. give D. popular D. England |