Discovering useful words and expressions
Discovering useful words and expressions (P28) 2 Go over the new words and phrases in the previo
us sections. Then complete each sentence with one of
those new words or phrases.
1. Charles Keeling collected ______on data the carbon dioxide content in the atmosphere over a forty-year period. He found that the amount of carbon dioxide _______ increasing during kept on
2. Although we are burning coal in huge _________ every year, we won’t quantities ________ of it for centuries. run out 3. If the amount of greenhouse gases continues to build up we could be _______, facing a global __________. catastrophe
4. Many scientists believe that global
warming has come about through __________ the burning of fossil fuels. consequence 5. The _____________ of a rising sea level would be widespread flooding.
6. On the whole the warming of the
phenomenon earth is a ____________ that causes
graph 7. The __________ shows temperature
changes during the 20th century. 8. One hectare of forest can absorb 23 tons of carbon dioxide ____ year. per
9. The washing machine uses too much
energy, but _________ we buy a more even if
economical one, it would still use too
much water. 10. The car accident on the main road yesterday ___________ one driver’s resulted in death.
? 由it引导的强调句结构： ? It is (was)+被强调部分+that (who) + 句子其他部分 ? 注意：此结构强调的成分仅限于主语， 宾语和状语。
如： ? 原句：My father did the experiment in the lab yesterday evening． ? 强调主语：It was my father who/that did the experiment in the lab yesterday evening．
? 强调宾语：It was the experiment
that my father did in the lab
? 强调时间：It was yesterday evening
that my father did the experiment in the lab．
? 强调地点：It was in the lab that my father did the experiment yesterday evening． e.g. It was in that city that we met for the first time． It was not until he told me that I knew the truth．
1) It was last night ____ I saw the film C
Star Wars． A. who B. when C. that D. which
? 答案C 强调句的结构是：It + be + 强调部分 + that (who) +主谓句。强 调句的连词只有两个，that和who。 当强调的部分是人，且为句子的主 语时，才用who，其余用that。
2) It is ten years ____ Miss Green
returned to Canada． A. that B. when C. since D. as ? 答案C 考点是连词用法。本题易 误选为A其实本句不是强调句。
的句子。而本句去掉It is…that, 只
剩下ten years Miss Green returned
调句。It is + 时间+since...，其中 is
= has been.
练习 I 1. It was this village ___ I was bought. A. where C. on which B. that D. which
2. It was in this village ___ I was bought up. A. where B. that C. on which D. which
3. --- Was it under the tree ___ you were away talking to a friend? --- Sure. But when I got back there, the bike was gone. A. that C. which B. where D. while
II. 根据下列各句句意及所给单词的首字 母或汉语提示, 写出各单词的正确形式。 1. The organization has been in e______ existence for 25 years. average 2. What is the a______ rainfall for August in your country? widespread 3. The earthquake caused a w______ damage to the area. 4. With the development of technology, people are more and more familiar with outer ______ (外部的) space.
III. 每空填一词, 使该句与所给句子的意 思相同。 1. We depend on energy to do many things. that It __ ___ is energy ____ we depend on to do many things. 2. He didn’t go to school because he was ill. It was __ ____ because he was ill _____ he that didn’t go to school.
3. My father didn’t return until 11 o’clock last night. ___was not ______ 11 o’clock ______ my It ___ __ until that father returned last night. 4. David bought a walkman from a store yesterday. It was that / who __ ____ David _________ bought a walkman from a store yesterday.
5. The mountain climber was rescued with the help of the local people. __ ____ with the help of the local people It was ______ the mountain climber was rescued. that 6. Her uncle moved out of the city and settled down in a small village for this reason. It was __ ___ for this reason ______ her uncle that moved out of the city and settled down in a small village.
7. What on earth do you want me to say? ____ is it ___ What _ __ that you want me to say? 8. I didn’t receive the manager’s reply until nearly a month later. ___ was ___ until nearly a month later It ___ not ____ ____ I received the manager’s reply. that
9. Marx met Tracy in Pairs in 1845. ___was in Pairs ____ Marx met Tracy in It ___ that 1845. 10. The football match had to be called off because it rained heavily. It was __ ____ because it rained heavily ____ the that football match had to be called off.
IV. 根据括号内的提示将下列句子翻译成 英语。 1. 总的来说，我很喜欢这本书。(on the whole) On the whole, I like this book very much.
2. 昨天的平均温度是28摄氏度。(average) The average temperature yesterday was 28°C.
Make four sentences with “it” for emphasis.