unit 2 numbers
reading a
词汇讲解。1. challenge 向某人挑战
challenge sb to sth 意思是“挑战某人做某事”
challenge sb to do sth.
does anyone want to challenge me?
mike challenged tom to a game of badminton.
2. promise to do sth/ that+宾语从句。
he promised to lend me his bike.
promise me(that) you will you waste your time.
3. and so on 等等，诸如此类，以此类推。
this shop sell clothes, shoes, hats and so on.
4. realize 意识到，认识到。
she didn’t realize her mistake yet.
5. follow my advice 听从我的劝告/建议。
you’d better follow your parents’ advice.
6. nothing but 只有，只不过，不过而已。
charles eats nothing but fruit.
7. from then on 从那时起。
from then on, he helped me a lot in many ways.
句子解析。1. if的意思是“如果”，引导条件状语从句。
if i am free tomorrow, i’ll go to the zoo with you.
2. double v 加倍 adj 两倍的，双的，双份的。
if you double five, you make ten.
3. 否定疑问句，用来表示建议，还可以用表示希望等到肯定答复，惊讶，赞赏，怀疑或责备等意思。
don’t you remember the days when we stayed in pairs?
don’t you want to go?
isn’t it a lovely day?
more practice
词汇讲解。this way 用这种方法 in many ways 用许多不同的方法。
that 为了…以便…引导目的状语从句。
he sat the front row so that he could see the blackboard clearly.
发展，开发 develop into 发展成为。
ten years later, the small town developed into a big city.
to 导致，引起，通向过去式led to
this may even lead to death
amount of ….的数量后接不可数名词。
the number of ….的数量， 后接可数名词，谓语动词用第三人称单数形式。
the number of the boys in our class is 23.
课堂评价。reading
翻译下列词组。
1.很久之前2.挑战某人某事。
3.承诺做某事4.命令某人做某事。
5.等等，诸如此类6.认识到问题。
7.挣钱8.听从劝告。
9. 只有，只不过10.从那时起。
11.不再12. 整年，全年。
根据课文内容及所给首写字母完成下面短文。
long long ago, a king in i___loved to play chess very much. one day, a w___man came to the palace and the king c___him to a game of chess. the king p___to give him any p___if he won the game.
the old man asked for some rice, one grain of rice for the square of the c___two for the second, four for the third, and double the a___for each of the rest of the r __that he would not h**e e___rice to put on all the squares even w___all the rice in the country.
根据中文提示完成下列句子。
1.她答应这个星期六来参加我的生日聚会。
sheto my birthday party this saturday.
2. 小偷留下一张纸条向警察挑衅。
the thief __a note tothe policecatch him.
3.你应该听从父母的劝告努力学习。
you should __yourto work hard.
4.从那时起，他开始在这个城市独自生活。
he lived alone in this city.
用所给词的适当形式填空。
is that thomasspeak)?
___copy) down his new friend’s address and phone number.
didn’t use the wordcorrect).
music of the film is __amaze).
went to the hospital and __visit) an old friend
sun __rise) in the east and sets in the west.
___fall) into the river.
more practice
翻译下列词组。
1.书面的数字2.用这种方法。
3.食物的数量4.动物的数目。
5.为了…，以便6.导致，引起。
7.发展成。
语言知识运用。
you solve the problema different way?
a. in b. on c. at d. by
became even __at maths because of his hard work.
a. good b. well c. better d. best
you make sure of __the visitors right now?
a. a number of b. the number of c. an amount of d. the amount of
desk is light. i can carry it __
a. easyb. lightc. lightd. hardly
you h**e a good way ofthe food fresh without a fridge?
a. keepb. keeping c.
根据中文提示完成下列句子。
1.人们能从网络上获得大量的信息。
people can get __largeinformation from the internet.
2. 他努力学习以便能通过考试。
he worked hardhe could pass the exam.
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