八上_unit7_第一课时课件.ppt

2a Listen and circle the words you hear. 1. There will be (more / less / fewer) people. 2. There will be (more / less / fewer) free time. 3. There will be (more / less / fewer) cars. 4. There will be (more / less / fewer) pollution. 5. There will be (more / less / fewer) trees. More (many) , fewer (few)修饰可数名词 more (much), less (little) 修饰不可数名词 fewer 和 less 相同点: 这两个词后都是比较级,均可表示“较少的” 不同点: ⒈ fewer是few的比较级,只能修饰可数名词的复数 ⒉ less是little的比较级,只能修饰不可数名词 ① I save ______ money than my sister. ② There are ________ cars parked outside than yesterday. ③ We have ________ students this year than last year. ④ You should smoke _______ cigarettes 香烟 and drink _____ beer 啤酒. fewer less fewer fewer less 意思 用法 比较级 最高级 few 一些 （否定） 修饰可数n. fewer fewest little 一些 （否定） 修饰不可数n. less least many 许多 修饰可数n. more most much 许多 修饰不可数n. more most What will happen 100 years later? There will be … 将会有…… There will be fewer trees. There will be less water. There will be more people. There will be more pollution. There will be more buildings. many （修饰可数名词） much (修饰不可数名词） 比较级 more更多的 (most 最多的) little 一些的（否定） water, air, paper, time, pollution, money, coffee less更少的 (修饰不可数名词）(least最少的) cars, trees, buildings, people, computers, astronauts, robots, times (次数) fewer更少的（修饰可数名词）(fewest最少的) few 一些的（否定） fewer less 相同点: 这两个词都是比较级, 均表示“较少的”。 不同点: 1. fewer是few的比较级, 只能修饰可数名词的复数。 2. less是little的比较级, 只能修饰不可数名词。 --- ______ scientific attitude is needed in developing our city. --- I agree with you. In this way, we can make ______ mistakes. (2011四川成都) A. Fewer; less B. Less; more C. More; fewer C 试做以下试题: ① I save ______ money than my sister. ② There are ______ cars parking outside today than yesterday. ③ We have ______ students this year than last year. ④ You ought to smoke ______ cigarettes and drink _____ beer. less fewer fewer fewer less Fill in the blanks with more, less or fewer. 3a 1. In the future, there will be ________ fresh water because there will be _________ pollu