Period 3　知识讲练课

学习目标

　　1.Grasp the usage of such important expressions as thanks to,rid of,lead to and focus on.

　　2.Master the following sentence patterns:

　　(1)In 1973,he became the first agricultural pioneer in the world to grow rice that has a high output.

　　(2)Using his hybrid rice,farmers are producing harvests twice as large as before.

　　(3)He would much rather keep time for his hobbies.

学习过程

　　➡Step 1　Words and expressions

　　1.Thanks to his research,the UN has more tools in the battle to rid the world of hunger.

　　多亏了他的研究,联合国在消除世界饥饿的战斗中又多了些方法。

　　【观察思考】

　　(1)Thanks to your help,we were successful.

　　由于你的帮助,我们成功了。

　　(2)Thanks to you,I was saved from drowning.

　　多亏你,我才没被淹死。

　　(3)Thanks to the bad weather,the match had been cancelled.

　　由于这倒霉的天气,比赛被取消了。

thanks to 由于;多亏(有时用作反语);因为

表示"因为,由于"的短语还有:because of,owing to,on account of,due to,as a result of等。

以上这些都是介词短语,因此后面可以跟名词或动词-ing形式而不可以跟从句。

　　【尝试运用】

　　单项填空

　　(1)It was　　　 your timely help that we accomplished the task on time.

　　A.because B.thank C.thanks to D.as

　　(2)　　　 the new policy,we are now having a happy life.

　　A.Thanks to B.Because C.For D.Thanks for

　　【观察思考】

　　(1)You should rid yourself of that bad habit.

　　你应该改掉那个坏习惯。

　　(2)It won't be long before we can get rid of the pest altogether.

　　不用太久,我们就能把这种害虫消除干净。

rid sb/sth of sb/sth of 摆脱;除去

be/get rid of 摆脱

　　【尝试运用】

　　同义句转换

Could you rid yourself of the bad habit of smoking?