最新鲁教版初中英语九年级上册Unit 1 When was it invented？(第4课时)学案

Unit 1 When was it invented？（第4课时）

一、听录音或根据音标朗读词汇表中P.46～P.47：Canadian～hero共8个词。

并在课文中划出来。

二、根据汉语写出下列短语，并在课文中划出来。

自主探究

1. Dr. Naismith divided the men in his class into two teams and taught them to play his new game. 奈史密斯博士把班里的男生分成了两队并教他们玩他的新游戏。

【解读】句中的divide意为“分开；划分”，divide…into意为“把……分成”， divide还有“分配；隔开；除尽”的意思。

【举例】（1）The road divides here. 这条路在这里分岔。

（2）We divided the cake into four parts. 我们把蛋糕分成了四份。

（3）He divided his energy between politics and business. 他把精力分配在政治和生意上。

（4）Divide ten by two, and you get five. 十除以二，得五。

【练习】

（1）The land ______ by the farmer months ago.

A. is divided

B. was divided

C. divides

D. divided

（2）The earth ______ 24 time zones(时区).

A. is divided

B. was divided

C. divides into

D. is divided into

2. …they need to stop the competing team from getting the ball into their own basket. 他们还要阻止对手们将球投入他们自己的篮筐。

【解读】stop…(from) doing sth. 意为“阻止……做某事”，其同义词组有：prevent …(from) doing sth. 和keep…from doing sth. (from不能省略)

【举例】（1）She stopped the children playing near the river. 她阻止孩子们在河边玩耍。

（2）The bad weather prevented us getting there on time.

恶劣的天气阻止了我们准时到那里。

（3）I don’t want to keep you from your work. 我不想耽误你的工作。

【练习】根据中文完成句子。

（1）谁也阻止不了我们去野营。No one can ________ us from ________ ________.

（2）警察正努力阻止小偷逃跑。 The police are ________ ________ ________ the thief

________ ________ ________.

3. It is believed that on December 21, 1891, the first basketball game in history was played.人们认为历史上的首次篮球赛是在1891年12月21日举行的。

【解读】It is believed that …为常见的句型，“人们认为……”，其中it是形式主语，真正的主语是that引导的从句。类似的句型还有：It is said that…意为“据说……”，It is reported that…意为“据报道……”。这种句型还可换成主动语句型People(They) believe/say/report that…或被动语态句型sb. is believed/said/reported to do sth.

【举例】（1）It’s said that there’s going to be a basketball match.

据说将会有一场篮球比赛。（2）It’s supposed that he is a professor.

人们猜测他是一位教授。

【练习】写出下面句子的同义句。