Unit 4 Global Warming

李 艷

一、詞形變化

根據(jù)句子結(jié)構(gòu)和意義的需要,用所給詞的適當形式填空。

1. There is a growing _______for people to work at home instead of in offices. To do so would _______ to provide more flexible working hours and dont have to waste time on the way to offices. (tend)

2. In fact, a persons value consists in his _________ to others whether important. So does other living creatures, e.g. Plants and animals _______ primarily to be used by humans. (exist)

3. She took a cold water bath to _______ herself and then went back to work again. Apart from taking a cold shower, ice-cream is also a good ___________ for her, which can make her feel ___________ again. (refresh)

4. It is not the way to ________ a child by making him do things against his will. Whats more, a child should be exposed not only to knowledge from text books but also learn from practices. So it goes that a child ________ only at school is an uneducated child. Many reforms must be made to the _________ system. (educate)

5. Each person __________ one yuan to the people in the earthquake-stricken area and there will be 1.3 billion. The amount of money will thus make great ____________ to the reconstruction of the new home in that area.(contribute)

二、單詞運用

請以“Start from Today” 為題寫一篇海報以增強同學們的環(huán)保意識,并盡量用上以下詞語:

(1) energy, electrical appliance, tend, switch

(2) waste, at random, sort the trash, recycle

(3) environmentally friendly, transportation

(4) oxygen, global warming

(5) advocate, economical, educate, commitment

三、詞組運用

從下框中選出適當?shù)脑~組填空下列短文中。

go up, subscribe to, quantity of, result in, come about, on the whole, on behalf of, keep on

How did it___1___that air quality is a top concern among residents in big cities? Its for the reason that poor air quality___2___poor health. The number of people affected by the air quality___3___year by year. Professor Wang,___4___the Health Department announced a research result which shows roadside pollution levels are responsible for 90,000 hospital admissions and 2,800 premature deaths in 2008 Hong Kong only. Tracing to its source, the humans are to blame. Factories___5___releasing burning fuel with high sulphur (硫) into the air which lead to industrial, grey-air smog. Whats more, large___6___ diesel vehicles emit 80% of nitrogen dioxide from the entire road transport sector.___7___, measures must be taken to relieve air pollution. In some cities, dwellers voluntarily___8___an organization, called Green Action, which will surely play a role in raising awareness in environment protection.

四、語法填空

閱讀下面短文, 按照句子結(jié)構(gòu)的語法性和上下文連貫的要求, 在空格處填人一個適當?shù)脑~或使用括號中詞語的正確形式填空。

The latest victim of climate change is not the polar bear or melting ice caps - it is food. Food scarcity is an old phenomenon,___1___ a new study warns that warming temperatures could leave more than half the worlds population___2___(face) food shortages by 2100. The National Science Foundation study examines the___3___ (severe) of rapidly warming temperatures on the world's food security.

Using direct observation and climate models, the studys authors found there was a 90-percent probability___4___ by 2100 the lowest temperatures during growing season in the tropics and subtropics will be higher than any___5___ (record) to date. University of Washington professor David Battisti,___6___co-authored the report, says problem could be even7___ widespread. Citing the___8___ (dead) heat wave that hit France in 2003, he says the models show those temperatures could become the standard.

“In mid-latitudes, extreme years___9___ 2003 are going to look like the normal 100 years from now at the end of this century,” said Battisti. “But in the tropics extreme years in the past,___10___ most extreme years in the past, is still going to be way colder than the years in the future.”