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问题 单项选择题

《工业企业厂界噪声标准》(GB 12348—90)中规定，夜间频繁突发的噪声，其峰值不准超过标准值( )。

A．5 dB(A)
B．10 dB(A)
C．15 dB(A)
D．20 dB(A)

答案

参考答案：B

阅读理解
We will be traveling to the Presidio in San Francisco to visit the newly opened Walt Disney Family Museum. There are countless art exhibits and even a model of an early Disneyland Park.

We will enter the museum at the same time and then each family is free to enjoy the art exhibits in the museum. Lunch will be on you, so bring a lunch or bring money for the Museum Café. For those of you who are interested in exploring the Presidio, there is a free Presidio bus. The Walt Disney Family Museum is a must-see for anyone who likes Disneyland. Here are the details:
Date: March 22, 2013
Time: 9: 30 am to 4: 00 pm
Location: Presidio, San Francisco
Cost per person: $35(Adult)/ $25(Aged 6~17)/ $10(Children under 6 years). A registration(登记)fee covers round-trip bus transportation to and from Alameda and admission into the Walt Disney Family Museum.
New pick-up location: Bayport Recreation Center, Jack London
Avenue. (Parents must be around children on trip. Please check in at least 15 minutes before setting-out time. )
Click here to download the “Walt Disney Family Museum” flyer(PDF, 245Kb).
It’s easy to register! You may register:
In person or by mail at: Alameda Recreation and Park Department(2226 Santa Clara Avenue, Alameda, CA 94501)
Phone registrations with Master Card or VISA will be accepted for people 18 years old and over(510)747-7529.
Fax form with Master Card or VISA to(510)747-7566.
Save time and register online at www. arpdeplay. com.
Registration deadline: March 7, 2013
小题1: Besides a registration fee, visitors may also need to pay for　　　.
A．the transportation to Alameda
B．the admission fee into the museum
C．the transportation from Alameda
D．their lunch inside the museum
小题2: How much will a couple have to pay if they take part in the activity with their 4-year-old daughter?
A．$60. 　　B．$70. 　C．$80. 　　D．$95.
小题3: What can we infer from the passage?
A．A single child cannot take part in the activity.
B．The Walt Disney Family Museum has a long history.
C．The Walt Disney Family Museum is not popular.
D．The Walt Disney Family Museum is mainly for adults.
小题4: Which of the following statements is WRONG about the registration?
A．People can register online.
B．People can register by mail.
C．People can go to register in person.
D．People of all ages can register by phone.
小题5:This passage is most probably taken from a　　　.
A．newspaperB．magazine
C．websiteD．radio program
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单项选择题

对加热炉要及时检查压力、水位计、（）是否灵活好用。

A.安全阀

B.调节阀

C.截止阀

D.闸板阀
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