跟蹤導(dǎo)練（四）（1）

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A

In a mountainous area of Brazil， there is a kind of beautiful butterfly which can kill men. If people meet them， they will come down in great quantities to bite and kill， sucking （吸） blood and eating flesh through the wounds they cause.

In June， 1966， a boy named Marl Andre who went into the mountains in search of butterfly specimens （標(biāo)本） was killed by these butterflies. A country boy saw him as he was just about to raise his net to catch a butterfly. Suddenly thousands of butterflies came down upon him， covering him all over. The boy struggled and cried as he tried to free himself from their attack. Finally he fell senseless to the ground. Police examined his body and proved that he had died of bites by butterflies.

In New Guinea， there is a kind of needlefish which also kills men. Because it likes light at night， it will swim near the lights of fishing boats， then suddenly shoot out of water like an arrow to its target， and force its 3-inch sharp mouth into a human body. Often people are thrust （戳） in the eye， or through the chest or stomach， resulting in death. Sometimes it will even attack the people in a fishing boat in broad daylight.

About 10 persons in the world are killed by sharks every year， yet more than 20 are killed by needlefish every month.

1. Marl Andre was killed when he ___ .

A. raised a net B. went to Brazil

C. entered the mountains D. tried to catch a butterfly

2. Needlefish comes out ___ .

A. sometimes at night

B. usually in the daytime

C. both at night and in the daytime

D. only when boats appear at night

3. According to the story， each year needlefish kills ___ .

A. twice more than sharks do

B. fewer persons than sharks do

C. 24 times more persons than sharks do

D. about 10 more persons than sharks do

4. Whats the best title of the passage？

A. Killer Butterflies and Needlefish

B. New Guinea—Not Fit to Live In

C. Brazil Home of Dangerous Butterflies

D. Deaths Caused by Butterflies and Needlefish

B

Against the supposition that forest fires in Alaska， Canada and Siberia warm the climate， scientists have discovered that cooling may occur in areas where burnt trees allow more snow to mirror more sunlight into space.

This finding suggests that taking steps to prevent northern forest fires to limit the release （釋放） of greenhouse gases may warm the climate in northern regions. Usually large fires destroyed forests in these areas over the past ten years. Scientists predict that with climate warming， fires may occur more frequently over next several centuries as a result of a longer fire season. Sunlight taken in by the earth tends to cause warming， while heat mirrored back into space tends to cause cooling.

This is the first study to analyze all aspects of how northern fires influence climate. Earlier studies by other scientists have suggested that fire in northern regions speed up climate warming because greenhouse gases from burning trees and plants are released into the atmosphere and thus catch heat.

Scientists found that right after the fire， large amounts of greenhouse gases entered the atmosphere and caused warming. Ozone （臭氧） levels increased， and ash from the fire fell on far-off sea ice， darkening the surface and causing more radiation （輻射） from the sun to be taken in. The following spring， however， the land within the area of the fire was brighter than before the fire， because fewer trees covered the ground. Snow on the ground mirrored more sunlight back into space， leading to cooling.

“We need to find out all possible ways to reduce the growth of greenhouse gases in the atmosphere.” Scientists tracked the change in amount of radiation entering and leaving the climate system as a result of the fire， and found a measurement closely related to the global air temperature. Typically， fire in northern regions occurs in the same area every 80 to 150 years. Scientists， however， found that when fire occurs more frequently， more radiation is lost from the earth and leads to cooling results. Specifically， they determined when fire returns 20 years earlier than predicated， 0.5 watts per square meter of area burned are soaked up by the earth from greenhouse gases， but 0.9 watts per square meter will be sent back into space. The net effect is cooling. Watts are used to measure the rate at which energy is got or lost from the earth.

5. According to the new findings， taking steps to prevent northern forest fires may ___ .

A. result in a warming climate

B. lead to a longer fire season

C. protect the forests and the environment there

D. cause the forest fires to occur more frequently

6. Earlier studies about northern forest fires ___ .

A. indicate that forest fires will pollute the atmosphere

B. suggest that the fires will speed up climate warming

C. analyze all aspects of how northern fires influence climate

D. suggest that people should take measures to protect environment

7. The underlined phrase “soaked up” probably means “___” .

A. released B. absorbed

C. created D. distributed

8. From the passage we can draw a conclusion that forest fires in Alaska， Canada and Siberia may ___ .

A. warm the climate as the supposition goes

B. help to get more energy rather than release more energy

C. destroy large areas of forests and pollute the far-off sea ice

D. allow more snow to mirror more sunlight into space and thus cool the climate

單詞訓(xùn)練營

從下列方框里10個單詞中選擇8個適當(dāng)單詞的正確形式填入下列各句中，使其句意完整。每個單詞只使用一次。

absorb accompany analyse arise compulsory

contradictory control eccentric suspect violence

1. English is the only one ____ foreign language on the school curriculum.

2. The official statistics have to be ____ with care.

3. The old lady has some ____ habits.

4. The salesman had been ____ to the meeting by an assistant.

5. When the fire got out of ____ ， the captain told the sailors to abandon the ship.

6. Everything on the earth ____ heat from the sun directly or indirectly.

7. Strong wind ____ and blew our boat onto the rock.

8. It is not about ____ but about how television gives children a false sense of reality.

單句改錯

下列各句每句有1個錯誤。

1. Did you absorb in everything the professer said in the class？ ____

2. Most accidents often arise in drivers carelessness. ____

3. To understand the grammar of a sentence， you must break it down by parts. ____

4. They shouldnt have any difficulty at finding the house. ____

單句翻譯

1. 飛機(jī)失控，墜入了大海。

2. 總之他已經(jīng)死了。沒有人能使他復(fù)活。

3. 就我們所知，他們將在九點鐘到達(dá)。

4. 溫度升高時，肉就會開始分解。

單項選擇

1. She sat at her desk， with her eyes ___ on the book， ___ in its plot.

A. fixing； absorbing B. fixed； absorbed

C. fixed； absorbing D. fixing； absorbed

2. She is in a poor ___ of health， which worries her mother much.

A. condition B. situation

C. position D. state

3. — You seem to show interest in cooking.

— What？ ___ ， Im getting tired of it.

A. On the contrary B. To the contrary

C. On the other hand D. In other words

4. If you continue ___ ， youll end up in prison.

A. to be stealing B. on stealing

C. stealing D. to be stolen

5. ___ his sister， Jack is quiet and does not easily make friends.

A. Alike B. Dislike

C. Unlike D. Liking

6. The boxer who was ___ in the boxing match did not come to life for five minutes.

A. knocked out B. knocked into

C. knocked over D. knocked down

7. Whos going to accompany him ___ the piano ？

A. with B. to

C. by D. on

8. Your performance in the driving test didnt reach the required standard， and ___ ， you failed.

A. in the end B. in other words

C. after all D. as the result

完形填空

It was a sleepy Monday morning in the teachers office. The old copy machine made a series of short noisy sounds. Its 1 rhythm （節(jié)奏） only seemed to put everyone deeper into “Monday morning mode （模式）”.

Then， Jackie walked happily into the room， clapping her hands 2 three times. “Okay， wake up， you guys. Its Monday！ Lets hear some pep talks （鼓舞士氣的講話）！” Her 3 voice raised heads and opened eyes. Even the office assistant who was almost asleep at the copy machine 4 .

Maybe it was because Jackie always had a smile and said something 5 that made people happy. Whatever the magic was， she suddenly 6 the room completely on that sleepy Monday morning.

New conversations mysteriously 7 . My colleague and I， who were only 8 the school to give a lecture， got up and 9 ourselves to Jackie.

I soon found out that Jackie was 10 respected for her work and enthusiasm. When it came to her class， 11 was too good 12 her kids. She always made other people feel 13 — even on days when she was not 14 well.

You would never hear Jackie 15 or speak in a negative manner about others. She would always look for and 16 the best within other people. People liked to be around her because her respect for other people was 17 .

Jackie knew that what people wanted from her was simply for her to be herself， someone who 18 her students. However， Jackie was more than a 19 . She was a great model who could 20 a room and make smiles break loose， even on sleepy Monday mornings.

1. A. quick B. dull C. normal D. exciting

2. A. angrily B. rapidly C. gently D. weakly

3. A. depressing B. anxious C. enthusiastic D. relaxing

4. A. set up B. gave up C. looked up D. went up

5. A. serious B. terrible C. incredible D. pleasant

6. A. changed B. left C. shook D. influenced

7. A. worked B. began C. continued D. stopped

8. A. leaving B. building C. guarding D. visiting

9. A. interviewed B. introduced C. educated D. connected

10. A. badly B. well C. hardly D. probably

11. A. everything B. anything C. nothing D. something

12. A. at B. to C. for D. of

13. A. nervous B. special C. disappointed D. depressed

14. A. doing B. teaching C. performing D. feeling

15. A. shout B. complain C. talk D. sing

16. A. hope B. have C. find D. like

17. A. believable B. true C. exceptional D. obvious

18. A. ran after B. cared about C. thought of D. turned down

19. A. teacher B. mother C. woman D. friend

20. A. clean B. find C. brighten D. make