【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】 Dan Austin is a writer and filmmaker. He is “saving” the world, giving away one bike at a time. In 2006, Austin and his brother started an organization called 88Bikes. It's non-profit group that delivers bikes to kids in need around the world for free. In less than four years, the group has given away nearly 800 bikes in seven different countries.

What difference can one bike make? A big one, says Austin. Many of the children who have received bikes from88 Bikes live in faraway areas and in orphanages(孤儿院) Having bike gives the kids a safe and quick way to get to school. It also means freedom for a young person, and the happiness that bike can bring is just more important than anything else, Austin explains. ‘This may also be favorable to their study because being happy they are likely to learn more.” Austin adds.

Austin and his brother thought of the idea for 88Bikes in an outing. They once went to Cambodia by bike. After the ride, they decided to give away their bikes to an orphanage in the city of Phnom Penh. “But then we realized there were 88 kids in the orphanage,” Austin says. “We wanted to help the other 86 kids, too.” So, they set up the group as well as a website for donations. Four days later, there was enough money to buy more than enough bikes.

Along with the bikes, all of the children receive hats, bike locks and shoes. They also receive photos of the donors(捐赠人). “We want them to know that there is somebody across the ocean that always cares about them,” Austin says. A world map is put on the back of the photo which shows where the donors live. The donors also receive pictures of the kids and their new bikes.

1What does the underlined word “non-profit” in Paragraph 1 mean?

A.not internationalB.dependentC.not realD.not making any money

2According to the passage, ________ will most probably receive a bike from 88Bikes.

A.5-year-old Linda who gets serious illness

B.13-year-old Larry who doesn't have parents

C.35-year-old Tina who doesn't have a job

D.60-year-old Michael who doesn't have kids

3Owning bike may make it possible for kids to ________.

save time get freedom learn more receive respect be happy keep healthy

A.①②③⑤B.①③⑤⑥C.②③④⑤D.①②⑤⑥

4The organization was named 88Bikes probably because ________.

A.88 is thought to be a lucky numberB.the price of the bikes is $88

C.88 bikes were needed thenD.they collected 88 bikes in all

5What can be learned from the passage?

A.The donors and the kids can learn about each other.

B.Austin and his brother set up the organization two years ago.

C.Nearly 800 bikes have been sent to seven cities in Cambodia.

D.Only by going on an outing can bikes be given to kids in need.

6What is the passage mainly about?

A.What difference one bike can make.

B.Why Austin and his brother give away bikes.

C.Information about Austin who gives away bikes

D.Information about an organization called 88Bikes.

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