问题
选择题
伯里克利执政时代，下列机构成员的产生方式能够体现轮番为治原则的是：①十 * * 委员会 ②公民大会 ③五百人会议 ④陪审法庭
A．①②
B．③④
C．①③
D．②④
答案
答案：B
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伯里克利执政时代，下列机构成员的产生方式能够体现轮番为治原则的是：①十 * * 委员会 ②公民大会 ③五百人会议 ④陪审法庭
A．①②
B．③④
C．①③
D．②④
答案：B
在学习电压时，“水果电池”激发了小红同学的探究兴趣，她提出的问题是：苹果的导电性能可能与苹果的哪些因素有关？
（1）你的猜想是：
（2）下表是小红同学探究得出的在一定电压下通过苹果的电流的实验数据：
| 苹果1（一般甜） | 苹果2（较甜） | 苹果3（很甜） | |
| 完整 | 0.1A | 0.2A | 0.3A |
| 削了皮 | 0.1A | 0.2A | 0.3A |
| 切掉一部分 | 0.1A | 0.2A | 0.3A |
结论一：______；
结论二：______．
（3）小红在“苹果电池”上插入一块铁片和一块铜片作为电池的正、负极，你怎样判断电池的正极是哪一块？如何知道电池的电压是多大？
| 完形填空 | |||
| There was once a lonely girl who wanted love very much. One day while she was walking in the forest, she found two birds. She took them home and put them in a small 1 . She was happy to have two "friends". She 2 them with love and the birds grew strong. One day the girl forgot to close the door of the cage. The 3 of the two flew out of the cage. The girl was afraid that it would fly away. She caught it quickly. She felt glad that she caught the bird before it could fly away. Suddenly she couldn't 4 a sound from the bird. When she opened her hand, the bird was already(已经) dead. Her 5 killed(杀死) the bird! Then she saw 6 bird jumping up and down 7 the cage. She could feel its great need for freedom. It wanted to fly into the blue sky. So she let it fly away 8 . The bird circled(转圈) once, twice, and three times. The girl 9 as the bird flew. She didn't care about losing the bird any more. She wanted it to be happy. Suddenly the bird flew closer and landed softly on her shoulder. It sang the 10 song she had ever heard (她所听过的). The fastest way to lose love is to hold it too tightly, and the best way to keep love is to give it wings. | |||
| ( )1. A. box ( )2. A. looked for ( )3. A. stronger ( )4. A. listen ( )5. A. love ( )6. A. one ( )7. A. outside ( )8. A. sadly ( )9. A. watched ( )10.A.worst | B. basket B. looked at B. lazier B. make B. joke B. the other B. inside B. happily B. saw B. oldest | C. cage C. looked after C. weakest C. describe C. luck C. another C. beside C. loudly C. looked C. newest | D. bag D. looked over D. smallest D. hear D. wish D. other D. behind D. highly D. heard D. sweetest |