Unit 2　Working the land

新知预习

一、词汇扫描

根据句意和汉语提示,从所给的词汇中选出合适的词,并用其适当形式填空。

struggle　equip　confuse　circulate　suitable　chemicalsupply　rid　exchange　pest　expand　export　sunburn　bacterial　mineral　output

1.The human being__________（斗争） with his environment.

2.The news of her death__________（传播）quickly.

3.He__________（装备） himself for a long journey.

4.This toy is not__________（合适） for young children.

5.A__________（化学） change takes place in any substance when it burns.

6.We tried to__________（使迷惑） the enemy.

7. When money is in short__________（供给），many businesses fail.

8.Insects which eat crops are__________（害虫）.

9.At that time the British pound__________（兑换） for $2.80.

10.The factory has__________（扩展） to the riverside.

11.He tried to__________（除去） himself of debts.

12.He is__________（灼伤） from a day on the beach.

13.The month__________（产量） of the factory has increased by 10%.

14.Many people like to drink__________（矿物） water.

15.In some areas some farmers like to use__________（细菌的） fertilizer.

16.People on this island make a living by__________（出口） sugar and fruit.

答案：1.struggles　2.circulated　3.equipped　4.suitable5.chemical　6.confuse　7.supply　8.pests　9.exchanged10.expanded　11.rid　12.sunburnt　13.output　14.mineral15.bacterial　16.exporting

二、句型聚焦

观察下列句子,归纳出画线部分的句型结构。

1.This special strain of rice makes it possible to produce one-third more of the crop in the same fields.　

2.Using his hybrid rice farmers are producing harvest twice as large as before.

答案：

1.make it+adj.+to do..."使做某事成为......"。

2.倍数比较。

三、语法平台

观察并翻译下列句子，注意画线部分在句中所作的句子成分。

1.Reading English is easier than speaking it.　

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2.You like singing,but she likes dancing.　

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3.He insisted on watching the football game.　

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4.It's no use talking like this.　