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人教新目标八年级英语下册Unit 7 语法学案设计(无答案)

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人教新目标八年级英语下册

Unit 7 What’s the highest mountain in the world?

语法聚焦

一、大数字的表达与读法

例:① about 9,600,O00 square k1lometers in size 面积大约960万平方干米

② 8,844.43 meters high 8844.43米高(教材 P491a) 总结:大于一千的基数词的表达法:

1. 从数字的右端向左数,每三位数加一个逗点;

2. 第一个逗点前的数为thousand (千)第二个逗点前的数为million (百万).第三个逗点前的数为billion (十亿);

3. 读的时候通常在hundred后加 and,如果百位数为0,则在 thousand后加 and。 Eg. 2,674 two thousand six hundred and seventy-four

1,2I3,43 one hundred and sixty-four million, two hundred and thirteen thousand, four hundred and thirty

18,357,0 eighteen million, three hundred and fifty-seven thousand, and eighty-nine 练习:读写下面的数字。

1. 25, 568, 470 _____________________________________________________ 2. 98, 2, 638 _____________________________________________________

3.125, 956, 23 _____________________________________________________ 4. 6, 5 _____________________________________________________ 5. 5,674 _____________________________________________________

二、形容词比较级和最高级

一、规则变化

(1)一般在词尾直接加-er或-est。如:long — longer — longest (2)以字母e结尾的词,在词尾直接加-st。如:nice—nicer—nicest

(3)以\"辅音字母+y\"结尾的词, 先把y变为i,再加-er或-est。如:heavy—heavier——heaviest

shy — shyer —shyest (shy除外)

(4)重读闭音节词词尾只有一个辅音字母时,先双写这个辅音字母,再加-er或-est。如:big—bigger—biggest

(5)多音节词和部分双音节词,在原级前加more构成比较级,加 most构成最高级。如:beautiful

一more beautiful—most beautiful;famous—more famous-most famous 【拓展延伸】表示否定意义时,可在形容词或副词前加less / least。

tall — less tall — least tall important — less important——least important 二、不规则变化

原级 good / well many / much bad/ badly little old far

三、比较级的用法。 1. 比较级 + than

用于两者之间的比较,表示“比……更……”。 如:Kevin is taller than me. George runs faster than I do.

【特别提醒】当than前后使用的动词相同时,通常用助动词代替than后的动词或省略后面的动词。

2. 比较级+ and + 比较级

该结构表示\"越来越……\当形容词或副词为部分双音节词或多首节词时,用\"more and more+形容词/副词原级\"表示。

It's raining harder and harder. 雨越下越大

This movie gets more and more popular. 这部电影越来越受欢迎了。

比较级 better more worse less older farther / further 最高级 best most worst least oldest / eldest farthest / furthest 3. the +比较级,the + 比较级

意为\"越……,越……\表示一方的程度随看另一方的变化而变化。

The more careful you are, the fewer mistakes you will make. 你越仔细,你犯的错误就越少。 4. the +比较级+of the two...

表示\"两者中比较……的一个。

5. Mike is the taller of the two boys. 迈克是这两个孩中比较高的一个。谁更……?\"。 Which is bigger, the earth or the moon! 地球和月球,哪个更大? 【拓展】

1. 比较的对象必须一致。

Your skirt looks more beautiful than mine. 你的裙子比我的好看。(mine相当于my skirt) 2.有时候为了避免重复,可用that或者those代替前面提到的词,而且that或those不能省略。 如

The

weather

in

Hainan

is

warmer

than

that

in

Beijing.

______________________________________

The dishes in this restaurant are more delicious than those in that restaurant. _____________________________________________________

语法闯关

一、用所给词的适当形式填空。

1.Qomolangma is one of the _____________________ (popular)places for the climbers around the world.

2.Although the model plane is ______________(small)than the toy plane, it’s much _____________________(expensive).

3.Many boy students think math is (difficult)than English.

4.She prefers football because she thinks it’s (interesting)among all sports. 5.This temple is as (big)as the Shaolin Temple, though it’s not so famous. 二、单项选择。

( )1.Among the four seas off the coast of China, East China Sea is the second _______.

A.deep B.deeper C.deepest D.the deepest

( )2.As the _______ girl in our class, Mary was chosen to take part in the running race.

A.kindest B.fastest C.strictest D.cleverest

( )3.— Your father never shops online. Why’s that?

— He says they are much _________ but the products are not really good.

A.nice B.cheap C.nice D.cheaper

( )4.— Have you seen the movie Zootopia?

—Yes, I’ve seen it twice. Of all the movies I’ve ever seen, it’s the ________ one. A.interesting B.more interesting C.better interesting D.most interesting

( )5.— I think it’s necessary to learn how to work in groups.

— I quite agree. Sometimes it’s even ________ than grades. A.less important B. most important C.the least important D. the most important

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