题型：判断题 阅读理解。 Suppose you work in a big company and find English very important for your job because you often dealwith foreign businessmen. Now you are looking for a place where you can improve your English, especiallyyour spoken English. Here are some advertisements about English language learning. You may find the information you need. Global English Center General (普通) English in all four skills (技能): listening, speaking, reading and writing. 3-month (700 yuan), 6-month (1200 yuan), and one year (2000 yuan) courses (课程). Morning or evening classes: 3 hours per day, Mon.－Fri. Experienced college English teachers. Close to city center and bus stops. Tel: 67605272 Add: 105 Zhongshan Road, 100082. Modern Language School Special courses in English for business, travel, banking, hotel management (管理) and office ski119. Small classes (12-16 students) on Sat. & Sun. From 2:00-5:00 p. m. English teachers from Canada and the U. S. A. 3-month course: 1050 yuan 6-month course: 1850 yuan. Write or telephone: Modern Language Schoo1, 675 Park Road, 100056 Tel: 67353019. The 2lst Century English Training Center We offer excellent teaching at all levels (水平). We offer morning or afternoon classes, both of which last three months and a half at a cost of 800 yuan. We also have a six-week TOEFL preparation class during winter and summer holidays. Entrance exams: June lst and Dec.lst. Only a 15-minute walk from the city center. Call 67801642 for more information. The Intenational House Three / Six-month English courses for students of all levels at very low cost: 60 yuan for twelve hours per week, convenient (方便的) class hours: 9: 00-12: 00 a. m. and 2:00-5:00 p. m. A four-month evening program for developing speaking Skills (the same cost as day classes). Well-trained Chinese and foreign teachers experienced in teaching. English as a second / foreign language. Free sightseeing and social activities. Very close to the Central Park. For further information call 67432308.1. You work from 9:00 a. m. to 4:30 p. m. every day. Which school will you choose? A. Global English Center and Modern Language School. B. Global English Center and the International House. C. Modern Language School and the 21st Century. D. The 21st Century and the International House. 2. The 21st Century is different from the other three schools in that _____. A. its teaching is better B. it is nearest to the city center C. its courses are more advanced (高级) D. it needs an entrance examination 3. You will probably prefer to go to the International House because it _____. A. offers free sightseeing and social activities B. has a special course in spoken English C. costs less than the other schools D. has English teachers from foreign countries 4. If you take the evening program at the International House, you will pay about _____. A. 60 yuan B. 240 yuan C. 720 yuan D. 1000 yuan 5. If your friend wants to take a course in English for hotel management, he may call at _____ for class information. A. 67605272B. 67353019 C. 67801642D. 67432308 查看答案
题型：判断题 如图所示是小李家的部分电路，灯L上标有“220V 40w”．他将电阻丝电阻为40 欧的电热水壶插入插座，发现烧开满壶水需要5min，电热水壶的电阻丝产生的热量为3×105J．若灯丝和电阻丝的电阻均不随温度变化，求：（1）火线与零线间的实际电压为多少？（2）开关S闭合时，灯L的实际功率是多少？ 查看答案
题型：判断题 铁路上使用—种电磁装置向控制中心传输信号以确定火车的位置和速度，被安放在火车首节车厢下面的磁铁能产生匀强磁场，如图9-2-21所示（俯视图）.当它经过安放在两铁轨间的线圈时，便会产生一电信号，被控制中心接收.当火车以恒定速度通过线圈时，表示线圈两端的电压Uab随时间变化关系的图象是（ ）图9-2-21图9-2-22 查看答案
