---I’d like to book a room for tonight. ---Sorry, sir, but we don’t have any rooms right now. A. able B. comfortable C. available D. suitable 题目和参考答案——青夏教育精英家教网—

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---I’d like to book a room for tonight.

---Sorry, sir, but we don’t have any rooms right now.

A. able B. comfortable C. available D. suitable

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Since the first Earth Day started on April 22, 1970, people around the world have been encouraged to protect the environment and natural resources．Gaylord Nelson started this holiday．On the first Earth Day， 20 million people took part in Earth Day events．

Earth Day activities can include learning something about technology like cars that are more environmentally friendly and special houses that save energy and water．An organization called the Earth Day Network encourages people to use clean energy which doesn’t pollute the environment．Most of our energy comes from fossil fuels (化石燃料) that are found underground． Coal， oil and natural gas are examples of fossil fuels．Fossil fuels come from plants and animals that lived millions of years ago． Burning fossil fuels to create energy pollutes the air and water． Many scientists think that burning fossil fuels also increases the temperature of the earth． To reduce the use of fossil fuels． scientists are experimenting with hydrogen-powered (氢化发动的) cars． These cars don’t pollute the air like gas-powered cars．

Some scientists guess that by 2025, fossil fuels will run out．When people can no longer use gasoline， they may use fuel cells instead． Fuel cells use hydrogen to create energy． People do not need to worry about hydrogen running out， because it is renewable and replaceable．

In Washington， D.C.， a few people drive cars that run on fuel cells． When these cars need more energy, drivers can go to a hydrogen pump．The first hydrogen pump for the public opened in November 2004， marking an important step toward a cleaner environment．

1．what can we learn from the passage?

A．Fossil fuels don’t pollute the air．

B．Hydrogen-powered cars make less pollution．

C．Many drivers are driving hydrogen-powered cars．

D．We can find many hydrogen pumps in the USA．

2．How long may people still be able to use fossil fuels?

A．Twenty years． B．Over thirty-eight years．

C．More than ten years． D．About seventeen years．

3．Which of the following is not mentioned?

A．Scientists are producing more hydrogen-powered cars．

B．Some people drive fuel-cell cars in Washington．

C．Fossil fuels come from plants and animals．

D．We can learn about environmentally friendly technology from Earth Day activities．

4．When do fossil fuels pollute the air?

A．When we use them to create gasoline． B．When people get them from the underground．

C．After being burned to get energy． D．After getting them from a hydrogen pump．

5．Because hydrogen is renewable， we don’t need to worry that ________．

A．it will be used up B．it can be used for creating energy

C．it will pollute the environment D．it will be cleaner

Liu Yang is the first Chinese woman astronaut_______ has ever traveled in space.

A. whom B. which C. who D. whose

I think skiing is ______________great fun.

A. a B. / C. an D. the

完成句子

1. 当妈妈离开时，我禁不住哭了.

I ___________________________when Mum left.

2. 去年他们计划出国旅行.

They ___________________________________last year.

3. 电影已经放映一个多小时了。

The film ___________________________ for more than an hour.

4. 我保证他们将会在这儿玩得很开心.

I’m sure _________________________________here.

5. 当他收到我的信时，肯定会很开心的.

He _________________________when he hears from me

There’s no way of knowing why the man fails, he is always hard-working and wise.

A. when B. although C. if D. unless

What do you usually do when a flying insect lands on your arm? You may blow it away. But what if that insect is a ladybug (瓢虫)? It is possible that you would let it stay. What is it about ladybugs that we like?

Farmers once thought ladybugs were a good lucky sign. A ladybug in the field meant the crops would be successful and that the weather would be good. The farmers may have thought too highly of such a small bug, but in fact ladybugs do help out with the crops. They eat harmful insects.

Actually, it is not the adult ladybug that eats other insects. It’s the baby ladybug. When the baby ladybugs hatch (孵化), they are very hungry and will eat mites, aphids, mealy bugs, green flies, and other crop-destroyers. In the 1800s, ladybugs were brought all the way from Australia to California and set free among orange trees that were dying from being eaten by insects. They completely saved all the trees.

Ladybugs go about their daily business without worrying much about anything. Very few birds or insects will eat a ladybug because it gives off a dangerous fluid (液体). Ladybugs also protect themselves by playing dead. They fall off leaves and never move until their attacker goes away.

So the next time you see a ladybug, think about what it may be doing. Maybe it is off to save an orange tree. Maybe its next move will be to roll off a leaf and play dead or stand up to a bird about 100 times its size. Maybe it’s letting you know that the weather will be good tomorrow. Who knows? Ladybugs are special that way.

1. Ladybugs were brought from Australia to California in the 1800s to .

A. add more ladybugs to area B. report the weather for farmers

C. act as a lucky sign of good crops D. save orange trees by eating insects

2. From the passage we know that .

A. it’s the adult ladybug that eats most of the harmful insects

B. ladybugs often roll off a leaf and play dead to attack the birds

C. ladybugs can give off a dangerous fluid to protect themselves

D. the baby ladybug mainly eats mites, aphids, mealybugs, and oranges

3. The underlined phrase “stand up to” most probably means .

A. watch B. support C. save D. fight

he doesn’t have breakfast， he feels hungry.

A Because，so B/，so C /，because D So，/

Thanks to the internet, different kinds of information ________in a short time.

A. can be learned B. has been learned C. can learn D. has learned

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