题目

下列仪器或工具在使用过程中利用了杠杆原理的一组是     ①剪刀②钢锯③试管夹④托盘天平⑤弹簧测力计⑥量筒     A．①④⑤                                                   B．②③④     C．①②④                                                   D．①③④ Hi! My name is Lisa. I’m a student in Shanghai. I’m in Class Nine, Grade Five. Wang Tao and Li Fang are my friends. They(他们) are in Grade Five, too. They are not in my class. They are in Class Seven. I’m 12. They are 12, too. Mr. Cheng is my teacher. His(他的) telephone number is 8869254.1.Where is Lisa from?A.Beijing B.Shanghai C.Guangzhou. D.HongKong2.Lisa, Wang Tao and Li Fang are in _____.A. Class one B.Grade two. C. Class 7, Grade 5. D.Grade Five3.How old is Lisa?A.twelve. B. thirteen. C.fourteen. D.fifteen4.What is Mr Cheng's job?A. worker. B. teacher. C. doctor. D. manager5.What's Mr Cheng's telephone number?A.3517288. B. 4356786. C.8869254. D.8679254