阅读下列短文.从每题所给的四个选项中选出最佳选项.小题1:If it is 8:00 a.m. in western Canada, the time is in eastern Canada.A．12:00B．2:00 p.m.C．12:30 p.m.D．4:00 a.m.小题2:While Canadian children are waking up, children 题目和参考答案——青夏教育精英家教网—

Our factories and homes burn coal and oil. Every year we have forest fires somewhere. Many scientists believe that the climate is changing.
The earth will perhaps be warmer by about 7 degrees centigrade. At the South Pole and the North Pole, the ice will melt (融化). The sea level (海平面) will rise by about 7meters. As a result, water will cover cities like London, Tokyo and New York. Some ports and towns along the coasts will disappear under water.
Some other scientists think that the dust, smoke and pollution from coal, wood and oil fires will block out the sunrays(紫外线). Then the earth will become colder and great sheets of ice will cover Europe and North America.
When chemicals in the air mix with rain, we have acid (酸) rain. Acid rain can bring us great harm. It destroys forests and kills life in lakes and rivers.
People are beginning to see how serious the problem is. They find it important to work with nature instead of against it. They are trying to save the earth in many different ways. But one of the most important things to do is to make people understand that saving the earth is saving ourselves.
小题1:Some scientists believe that          .
A. the earth is growing warmer
B. we can find oil in our forests
C. we have to burn down the forests every year
小题2:Ice at the poles will          if the earth gets warmer.
A. cover cities like London and Tokyo
B. raise the sea level by 7 degrees
C. become water and make the sea level rise
小题3:Acid rain          .
A. brings great changes in our climate
B. kills pests in lakes and forests
C. kills the fish in rivers and lakes
小题4:What can we learn from the third paragraph?
A. The dust together with pollution from coal, wood and oil fires will bring us more heat from the sun.
B. The sunrays will come more because of the dust and pollution from fires.
C. As a result of the dust and pollution from coal, wood and oil fires, the earth will become colder.
小题5:Which statement is TRUE?
A. People have come to know the importance of working with nature.
B. All the scientists agree that our earth is sure to become warmer and warmer.
C. The sea level will rise if the earth gets colder.

We humans live in different parts of the world, but we have the same “mother”. She gives us everything we need in our daily life. She is our Mother Earth.
April 22 is Earth Day. The theme of this year is “Green Cities”.
A green city is a healthy and pleasant place for people to live, according to the United Nations.
A green city can get its energy from renewable (可再生的) sources like solar (太阳能的) and wind power. Also, it is connected by clean public transportation. Moreover, a green city is made up of facilities (设施) that can save energy and reduce waste.
Around the world, many cities and countries have done well to build themselves in a green way.
Chicago is well known for its green roof (屋顶) program. These roofs are covered with plants. The plants get a great amount of rainwater. Later, the water evaporates (蒸发) to help make the air cool and clean. So far, there are about 360 green roofs in Chicago, according to the US Environmental Protection Agency.
Curitiba, Brazil, has great transportation. It opened the world’s first bus rapid transit (BRT) system in 1974. BRT runs on special lanes. This makes sure that buses are on time even in traffic jams. With the help of BRT, the city has the lowest level of air pollution in Brazil. Today, many other countries have copied BRT, including China and Mexico.
Singapore is home to the first zero-energy building in Southeast Asia. Zero energy means a building is able to create more energy than it uses. Zero-energy buildings work with solar panels (板) mainly on roofs. These panels can make electricity which powers the buildings. By 2030, Singapore plans to build 80 percent of its buildings like this.
小题1:The theme of Earth Day this year is “_______”.

A．Green Roofs	B．Green Cities
C．Reducing and Recycling	D．Environmental Protection

小题2:The article mentions that there is BRT in the following countries EXCEPT _______.

小题3:From the passage, we learn that in the three cities _______.

A．people are encouraged to grow plants on their roofs

B．special lanes are designed to solve traffic jams

C．people make good use of solar and wind energy

D．people are provided with a pleasant place to live

小题4:The passage is mainly developed by _______.

A．giving examples	B．explaining reasons
C．listing suggestions	D．showing different opinions

阅读下列短文，根据短文中的信息完成文后表格。（每空一词）
Have you had a headache during a test? Have you ever been so worried about something that you have a headache or even can’t sleep at night? If so, then you know what stress is. Stress is what you feel when you are worried about something. This worry in your mind can make your body feel bad. You may feel angry, sad, scared, or afraid——all of which can give you a stomachache or a headache.
However, there are different kinds of stress. Some kinds of stress are good and others are bad. Good stress might happen when you’re called to answer questions in class or when you have to give a speech. This kind of stress can help you to get things better done. For example, you may do a better job on your test if the stress pushes you to prepare better before the test.
On the other hand, bad stress can happen if the stress lasts too long. You may not feel well if your parents are fighting, if a family member is sick, if you’re having problems at school, or if anything else makes you unhappy every day. That kind of stress isn’t going to help you. And it can actually make you sick.
The best way to fight the stress is to have a balanced life. Make sure you keep your SELF in mind: Sleep, Exercise, Leisure（休闲）, and Food. If you get enough sleep and eat properly, and if you exercise and leave time for fun, you’ll probably feel less stressed.

Title: Face the Stress
Meaning of stress		Stress is a 小题1: when you are worried about something.
Possible effect		You may feel uncomfortable in your 小题2: and body.
Different kinds	Good stress	It might happen when you have to speak in public. It will be more helpful for you to do the job successfully. It makes you prepare better before doing the job.
	Bad stress	It might happen if your stress 小题3: too long. You may not feel well with the sick of a family member, problems at school or something else that worries you every day. It might stop you from getting your work well done.
How to keep stress 小题4:		Have a balanced life. Have enough sleep and have proper food. Take exercise and have time to 小题5: yourself.