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问题 单项选择题

某工厂新生产一批压力表，检验员需对其进行抽样检验。一压力表所测量的最小值为 0V，最大值为100V。

其标称范围可表示为( )。

A．100V

B．(0～100)V

C．0V～100V

D．100V以下

答案

参考答案：C

解析： 标称范围是测量仪器的操纵器件调到特定位置时可得到的示值范围。

阅读理解
阅读理解。
     Throughout each year, many special events are held at St. Croix Lutheran High School. Here is some
information on four events.
Starlight Dinner Concert
    It begins at 5:00 pm on October 8, 2009 with a meal served by student volunteers and beautiful
dinner music performed by students.
    Tickets are $20 each, advance sales only. Tables may be reserved for 6 to 16 people per table.
To buy tickets, complete the reservation form and return it to the school office, e-mail us at Starlight
reservations, or call 651-455-1521, ext. 351.
Grandparents Day
    Grandparents are very special people at St. Croix Lutheran, and we will celebrate them with activities
on campus (校园) on Thursday, September 24, and Friday, September 25, 2009.
    Our students invite their grandparents to join them either of these days to share with them in their
classes, take a tour around the school, meet with the president, and enjoy lunch as our guests.
Auction
    St. Croix's 17th annual auction is scheduled for Saturday, November 7, 2009, with the theme
"Spring Fever".
    Please contact (联系) the Mission Advancement Office at 651-455-1521, ext. 106, if you would like
to volunteer your time for this event.
Chapel
    Chapel is a special event that takes place every school day at St. Croix Lutheran High School. We
come together as a family to worship the Lord. We come with open hearts and open ears to hear the
word of God and leave refreshed and renewed in our faith.
1. We learn that on Grandparents Day, _____.
[ ]
A. no meals will be served at school
B. grandparents can have a tour around the school
C. students won't have to attend classes
D. the president of the school will not be at school
2. If you are interested in St. Croix's 17th annual auction, what should you do?
[ ]
A. Complete a reservation form.
B. Call 651-455-1521, ext. 351.
C. Call 651-455-1521, ext. 106.
D. Send an e-mail to Starlight reservation.
3. Which of the following events takes place every school day?
[ ]
A. Starlight dinner concert.
B. Grandparents Day.
C. Chapel.
D. Auction.
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填空题

PT泵在结构上是以燃油泵（）和喷油器进油时间对进油量的影响来控制供油量。
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