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问题 填空题

H248协议中，表示用户摘机的指示值是（）。

答案

参考答案：al/of

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                                                             Sydney Tower
Address: 100 Market St. Sydney
Phone: 02 9333 9222
Fax: 02 9333 9208
Open time: 9:00 am to 10:30 pm (Saturdays to 11:30 pm)
Ticket:$60 (for an adult)
           $30 (for a child)
Website: www.sydneytower.com.au <http://www.sydneytower.com.au>
How to get there: train to Town Hall Station and a short walk along Market Street
How to book tickets: by phone/ fax or through the web
Attraction: Sydney's best views are just beginning! Sydney Tower takes you to the highest point above
Sydney for exciting 360°views of our beautiful city.
1. Sydney Tower is ____________ in Sydney,Australia. 
A. the busiest street
B. the biggest station
C. the most beautiful park
D. the highest point
2. Sydney Tower opens at ____________. 
A. 8:00 am
B. 9:00 am
C. 10:30 pm
D. 11:30 pm
3. If an adult with two children goes to visit Sydney Tower, he has to pay ___________. 
A. $60
B. $90
C. $120
D. $150
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单项选择题

下列零件中，不属于机器中广泛使用的常用件的是（）。

A.螺栓

B.齿轮

C.弹簧

D.销
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