托业考试易错题（2019/6/3）

托业考试易错题（2019/6/3）

ANALYSIS
Study conducted by: TheAssociation of UniversitiesAU)
Conducted:April, 1, 2010
Margin of error: ±2%
The study conducted by theAU at four major universities in our province analyzed how many hours the students spent studying during their exam perioD、While our past studies have focused on the study habits of students on a wider scale throughout the year, this study took a closer look at the number of hours spent on studying during the final exam perioD、We went to each campus and took an equal number of surveys from students in each year, surveying a total of 400 students from four different universities.Each respondent indicated the number of hours they studied during the final week of exams.
The survey showed a surprising result. The students at three of the four universities increased their study hours as they got closer to their graduate years. However, Western University showed a completely opposite trenD、The first year students spent over 70 hours a week studying while the 4th year students only spent about 20 hours during their final exam week. This, according to the university officials, maybe the reason why students at Western University have the lowest number of students graduating.
Which of the following methods was most likely used to collect the dataA．Phone poll
B．Direct mail
C．Questionnaire
D．Campus paper

【单选题】： A B C D

Questions 165-168 refer to the following information.
1. The One-Call System
In most states, natural gas industry-supported laws require contractors and private landowners to call the local One-Call number before beginning any kind of digging. With forty-eight hours’ notice, a pipeline operator will locate the pipeline and mark it clearly.Any damage at all to a pipe-even the slightest scratch could lead to a leak later on. Whether One-Call has become the law in your state or not, you can help keep pipelines safe by calling the number on the right-of-way markers before you dig.
2. LeakDetection
Most pipelines are operated twenty-four hours a day from a control station, using telephone, satellite, or microwave communications systems.Computers are widely used to monitor conditions along the line every ten to sixty seconds, sounding an alarm if they detect any abnormality or sudden change in pressure. In the event of an alarm, valves can be closed and nearby pipeline crews dispatched within minutes.
3. Emergency Response Preparedness
Although leaks occur infrequently and rarely result in a fire, readiness for any emergency is a crucial responsibility for pipeline companies. Federal and state laws supported by the natural gas industry require pipeline companies and local police and fire departments to maintain a coordinated plan of response and to practice for an emergency by staging drills. These drills and personnel training programs emphasize the need for immediate action and for cooperation between the various rescue agencies and the pipeline company.
4. PublicAwareness
The One-Call system, state-of-the-art leak detection equipment, and emergency response procedures have all been put in place with one thing in mind-the safety of you, the publiC、Please visit the website of the Natural GasAssociation to find out more about our safety procedures, tips for using natural gas safely in your home, and information on what to do if you see someone tampering with pipeline right-of-way markers.

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