Life today has brought about new problem. One of the biggest problems of every nation is pollution. In America, there are laws ___66_____the air and water clean. These are new laws and it has taken much time __67____ a polluted river or lake. Now the fish are healthy again and people can enjoy __68_____in the clean water.
When food is brought from the store to the home, it is packed in paper, glass, or plastic. Every day a newspaper comes to the home. Americans use __69_____all these materials in the garbage which was picked up by a large truck. The truck these materials to a garbage dump or a land-fill. The truck dumped the garbage into a large hole and then earth was pushed over the garbage until the hole was filled. Then, a new hole must be found.
As the years went by, the garbage increased as the population __70_______. Scientists suggested using some garbage again. They advised businessmen _____71____money by recycling or using paper, glass, and plastic again.
Now, a recycling truck comes to each home once a week __72_______ up materials. American families are told _____73_____their newspaper in boxes and clean all glass, and plastic. The truck takes them to factories for recycling.
Recycling is a way _____74_____the environment from pollution by __75_____ many materials again.
On October 31st, 2009, Chinese famous scientist Qian Xuesen, died in Beijing when he was 98 years old. He is famous as “the country’s father of space technology and king of rocketry”.
Qian was born in 1911 in Hangzhou. He left for the United States after winning a scholarship to graduate school in 1936. He studied at the Massachusetts Institute{学院) of Technology and later at the California Institute of Technology.
Qian began his career in the US and was regarded as one of the brightest minds in the new field of aeronautics{航空学) before returning to China in 1955.
After he returned, Qian set up the first missile (导弹) and rocket research institute of China. The institute later helped start Chinese space program. He led the development of China's first nuclear-armed ballistic missile and worked on its first satellite.
He retired in the year before Chinese manned space program was launched in 1992. But his research formed the basis for the Long March CZ -2F rocket that carried astronaut Yang Liwei into orbit in 2003.
In August, 2009, Chinese Premier Wen Jiabao visited Qian and praised him for devoting his life to Chinese defense technologies. Qian told him, “I'm trying to live to be 100 years old”
1. Qian was regarded as __________ before returning to China.
A. A father of space technology B. king of rocketry
C. one of the brightest minds in the new field of aeronautics
D. one of the best-known scientists
2.When did Qian Xuesen retire?
A. In 1970 B. In 1991 C. In 1992 D. In 2009
3. What does the underlined word mean in Chinese?
A. 发奖品 B. 批评 C. 赞扬 D. 鼓励
4. List the following things in correct orders. Which is the correct?
① left for the United States ② won a scholarship to graduate school
③ returned to China from the United States
④ set up the first missile and rocket research institute of China
⑤ studied at the Massachusetts Institute of Technology
A. ②①③④⑤ B. ②①⑤③④. C. ⑤③④②① D. ⑤②①③④
5. Which of the following is TRUE according to the passage?
A. Qian was born in 1936 in Hangzhou.
B. Qian began his career in China.
C. The Lρng March CZ-2Frocket carried YangLiwei into orbit in 2009.
D. Wen Jiabao visited QianXuesen in August 2009.
What is color? Why do some of the things around us look red, some green, others blue?
Colors are really made by deflected (反射) light. We see color because most of the things reflect light. In the same way, if something is green, it reflects most of the green light. If something reflects all light, it is white. If it doesn’t reflect any light, it is black.
Some of the light is reflected and some is taken in (吸引) and turned into (变成) heat (热能).The darker the color is, the less light is reflected, the more light is taken in. So dark-colored clothes are warmer in the sun than light-colored clothes.
1.When something reflects light, we can _____.
A. see its color B. see its heat C. not see its color D. see nothing
2.Something looks white because it reflects _____.
A. some light B. no light C. all light D. most light
3.the dark-colored clothes are warm because ____ is taken in.
A. more light B. less light C. more color D. less color
4.In summer ______ make people feel cool.
A. dark-colored clothes B. red-colored clothes
C. green-colored clothes D. light-colored clothes
5.What’s the best title(标题)of this passage( 短文 )?
A. Dark color B. Color C. Heat D. Clothes
1.The advertisements above are about ______.
A. shopping B. food C. travel D. hotels
2.If you go to Bangkok, you can ______.
A. Climb Mountains B. enjoy the scenery of the forests
C. live in the Post Hotel D. buy fruits while sitting in your boat
3. _____ is one better way to prevent the strong sunshine in Bangkok
A. Going to the sandy beaches B. wearing a hat
C. Climbing up the mountains D. staying in the forests
4.Which place will you choose if you want to visit both mountains and beaches?
A. Soll in Austria. B. Bangkok in Thailand.
C. the Floating Market. D. Kauai in Hawaii.
5.According to(根据) the advertisements, we know that _______.
A. the hottest travel place is Soll
B. maybe it often rains in the centre of Kauai
C. the Floating Market is in the middle of Bangkok
D. the Post Hotel in Austria is clean but the price is high
Have you ever planted a few trees on Tree Planting Day? Each year, millions of people, both 41.______, plant a lot of trees. But this may not be the best way to make your home a 42._____ place.
Last week we visited a park in Hebei. We were 43._____ to find most of the trees had been burned. The workers told us that the trees 44._____ soon after they were planted because they weren’t watered well enough. 45._____ workers burned them and cleaned the place for 46._____ trees to be planted this year. 47.______ a card found in one of the dead trees, a student wrote,” I hope this tree will grow up with me to 48.______ the backbone (栋梁) of our country.” The workers said that the survival (存活) of the trees was really more important than 49.______ trees were planted.
Some people in Beijing now have a new idea that they can donate (捐赠) some money and let professional (专业人士) plant and 50.______ the trees.
1. A. students and teachers B. old and young
C. boys and girls D. mother and father
2.A. smaller B. colder C. warmer D. larger
3.A. pleased B. happy C. interesting D. surprised
4.A. died B. grew C. bought D. planted
5.A. Though B. When C. Because D. So
6.A. few B. old C. new D. dead
7.A. Over B. From C. On D. About
8.A. need B. hold C. plant D. be
9.A. how many B. when C. how soon D. why
10.A. take out B. take down C. take up D. take care of
Be careful of the dog! It’s . Keep away from it.
A. gentle B. aggressive C. lovely D. interesting