问题 填空题

一些我们人看不见的光、听不到的声音在生活中有广泛的应用,如电视机的遥控器是利用______工作的,声呐是利用______工作的.

答案

(1)电视机遥控器是利用红外线进行遥控的.

(2)声呐是利用超声波工作的.

故答案为:红外线;超声波.

阅读理解
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                                         Sunny English Club
                                            For students 
                                     16:00 ~ 18:00 Every Saturday 
                                         200 yuan a month
                                         9 Zhou Yu Street
                                          Tel: 3786290
                Foreign teachers, English songs and films and more!
               Ocean Museum 
9:00~17:00
From Thursday to Sunday
ticket: 50 yuan
132 Xue Yuan Street
Tel: 5439871 
Show you a full picture of sea lives!
                   Health Centre
9:00 ~ 17:00
16 Yong Le Street
Tel: 3801451
Free examinations for those over 70.
Give you good advice to keep healthy!
1. Sunny English Club is for ______.
A. nurses
B. policemen
C. businessmen
D. students
2. You will pay ______ if you want to stay in the English club for half a year.
A. 300 yuan
B. 600 yuan
C. 1,200 yuan
D. 2,400 yuan
3. You can visit Ocean Museum ______.
A. on Saturday
B. on Wednesday
C. on Monday
D. anytime
4. One can get free examinations in Health Centre if he is ______.
A. 9
B. 17
C. 67
D. 73
5. If you are interested in the life of fish, you should go to ______.
A. Health Centre
B. Ocean Museum
C. Sunny English Club
D. 16 Yong Le Street
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