题目内容

【题目】My brother _______ as an engineer since he returned from America years ago.

A.has workedB.had workedC.was workingD.will work

【答案】A

【解析】

句意:我哥哥几年前从美国回来后一直当工程师。

A. has worked现在完成时;B. had worked过去式完成时;C. was working过去进行时;D. will work一般将来时。短语work as…表示作为……;根据since he returned from America years ago.可知,这里是since引导的时间状语从句,主句用现在完成时,其结构式have/has done的形式。主语是单数,助动词用has。根据题意,故选A

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【题目】 Laptop computers are popular all over the world. People use them on trains and airplanes, in airports and hotels. These laptops connect people to their workplace. In the United States today, laptops also connect students to their classrooms.

Westlake College in Virginia will start a laptop computer program that allows students to do schoolwork anywhere they want. Within five years, each of the 1,500 students at the college will receive a laptop. The laptops are part of $10 million computer program at Westlake, a 110-year-old college. The students with laptops will also have access to the Internet. In addition, they will be able to use e-mail to “speak” with their teachers, their classmates, and their families. However, the most important part of the laptop program is that students will be able to use computers without going to computer labs. They can work with it at home, in a fast-food restaurant or under the trees, anywhere at all!

Because of the many changes in computer technology, laptop used in higher education, such as colleges and universities, is workable. As laptops become more powerful, they become more similar to desktop computers. In addition, the portable computers can connect students to not only the Internet, but also libraries and other resources. State higher-education officials are studying how laptops can help students. State officials are also testing laptop programs at other universities, too.

At Westlake College, more than 60 percent the staff use computers. The laptops will allow all teachers to use computers in their lessons. As one Westlake teacher said, “Here we are in the middle of Virginia and we're giving students a window on the world. They can see everything and do everything.”

1The main purpose of the laptop program is to give each student a laptop to ______.

A.use for their schoolworkB.access the Internet

C.work at homeD.connect them to libraries

2Why is the word “speak” in the second paragraph in quotation marks(引号)?

A.They don't really talk.B.They use the computer language.

C.Laptops have speakers.D.The writer wants to catch our attention.

3Which of the following is TRUE about Westlake College?

A.All teachers use computers.B.1,500 students have laptops.

C.It is an old college in America.D.Students there can do anything they want.

4The laptop used in higher education, such as colleges and universities is workable because ______.

A.university students like using computers to do a lot of work

B.computer technology changes a lot

C.laptops are easy to use

D.laptops are cheaper to afford

5“A window on the world” in the last paragraph means that students can ______.

A.attend lectures on information technologyB.travel around the world

C.get information from around the worldD.have free laptops

6What can we infer(推理) from the passage?

A.The program is successful.B.The program is not workable.

C.The program is too expensive.D.We don't know the result yet.

【题目】 Global warming refers to an increase in Earth’s temperature. This change in temperature can cause changes in climate. Climate is the weather condition that occurs in a given place over a period of years. This ______ the average weather conditions, regular change of seasons, and special weather phenomenon (such as typhoons).

A warmer Earth may lead to changes in rainfall patterns and a rise in sea level. It could also have a wide range of effects on plants, wildlife, and humans. Earth has warmed by about 1°F over the past 100 years. One important ______ is that people do things that send greenhouse gases into the air. These gases make the Earth warmer.

The Industrial Revolution took place more than 200 years ago. It was a time when people began using machines to make ______ easier. Before the Industrial Revolution, human activity released few gases into the atmosphere. Since then, the need for energy has continued to increase. Much of the energy we use to light and heat our homes comes from fossil fuels(化石燃料), such as coal and oi1. ______ these fuels releases greenhouse gases. So whenever you watch TV, rise the microwave, or ride in a car, you are sending greenhouse gases into the air. Other things can also send greenhouse gases into the air. The trash we put in landfill(填埋) produces a greenhouse gas called methane (甲烷) . The animals that are raised ______ their meat products and dairy also produce methane.

Scientists don't know for sure what effects global warming will have on Earth. The climate change could ______ health problems, such as heart stress, increased heart problems for the elderly, etc. Climate change may also alter the world's habitats and ecosystems(生态系统).

Scientists continue to study global warming in an attempt to understand its effects.

1A.happensB.offersC.includesD.takes

2A.stepB.guessC.excuseD.reason

3A.studyB.lifeC.scienceD.task

4A.BurningB.SearchingC.MakingD.Getting

5A.atB.forC.aboutD.from

6A.bring aboutB.work outC.deal withD.care about

【题目】B. Choose the best words and complete the passage(选择最恰当的单词完成短文)

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professional taxi service. Airbnb lets you stay in someone’s home.

But it’s not all good. The owners of Uber and Airbnb are now billionaires; the people who provide the service don’t earn much. It’s not __________ sharing. The market value of Uber is now $69.5 billion.

Uber does not follow local laws strictly. It says it is a “platform” to match drivers with passengers, but the rules are not clear so it does not have to be reponsible. It can change prices when there is more or less __________. In 2015 there were more than 50 cases again Uber in the USA and many countries have said it broke rules. Spain, Thailand and France have stopped Uber- they say it is “dangerous”.

Airbnb is part of the growing sharing economy and a business model run by network technologies. It was started in 2008 and located in San Francisco, California. Every day some people list their homes, while others discover and __________ houses around the world through Airbnb. At the same time, Airbnb helps to build up __________ and friendship between strangers.

Airbnb makes __________ guest houses go out of business, not big, rich hotels. It says that many of its hosts are “artistic” and not rich. But we know from research that a lot of the Airbnb hosts are now rich people who owns more than one house.

1A.givesB.connectsC.pleasesD.agrees

2A.reallyB.hardlyC.usuallyD.quickly

3A.moneyB.timeC.needD.space

4A.buildB.cleanC.designD.book

5A.interestB.trustC.distanceD.respect

6A.strongB.safeC.smallD.special

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