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问题 选择题
甲、乙两灯接入闭合电路，1分钟通过甲灯丝横截面的电量是18库，20秒通过乙灯丝横截面的电量是6库，甲、乙两灯连接的方式是（　　）

A．一定串联

B．一定并联

C．可以串联，也可以并联

D．无法确定

答案

答案：C

阅读理解
(You may read the questions first.)
Box Office Instructions
Discounts/ Service charges:
We offer children (12 and under), seniors (65 and over) and students (student ID card required) discounts on all seats. Please call the Box Office to know about any other possible discounts.
Returns/ Exchanges:
We are happy to offer returns or exchanges of tickets purchased up until the close of the last business day before the show with a $3.00 per ticket fee for this service. The box office must be informed directly in order to exchange tickets to another date (this service is not available online).
Friendly reminders:
Latecomers will not be permitted to enter the hall until a suitable break in the performance.
Children must be seated where they can be looked after by parents.
Please show consideration for other audiences by not talking during the performance, and please encourage children to do the same.
Cameras and recording equipment are not allowed to be used in our theatre.
Please turn off all cell phones while enjoying the performance.
Will call:
Please tell us at the time of booking if you would like your tickets mailed to you, otherwise they will be held for pickup at the box office.
 
65.   We can learn from the passage that exchanges of tickets purchased ________.
A. are free of charge
B. are not available until the last business day
C. will not be given a big cash discount
D. need to contact the box office directly
66.   Which of the following statements is TRUE according to the passage?
A. Latecomers will not be permitted to enter the theatre.
B. There is a special area for children in the theatre.
C. The audience is not allowed to take photos in the theatre.
D. Children can talk in a low voice during the performance.
67.   According to the passage, the audience ________.
A. can receive their tickets by mail
B. can see the performance online
C. can’t take cell phones to the theatre
D. can’t return tickets in any case
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单项选择题

在以下片剂类型中可避免肝脏首过效应的是

A．咀嚼片

B．分散片

C．舌下片

D．肠溶片

E．分散片
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