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夏天，多数学生喜欢呆在图书馆，因为那有空调。
In the canteen在食堂
In summer, more students like having salad for lunch. More students like having ice-cream，ice lollies and soft drinks after school．夏天，多数学生午饭喜欢吃色拉。大多数学生课后爱吃冰淇淋，冰棍和软饮料。
Write写一写
Read Alice and Eddie\'s notes. Help them write about their school life in winter.
读一读艾丽斯和埃迪的笔记。帮他们写一写学校的冬季生活。
重点难点解析
1 . All students must wear stunner uniforms… ……全体学生必须穿夏季校服。
▲must是情态动词，在句中表示必要或命令，意为“必须”“应当”，其否定形式mustn\'t，意为“不可以”“禁止”。如：
1） We must get to school early．我们必须很早到校。
2） You mustn\'t play on the road．你不能在路上玩。▲wear, ▲put on, dress辨析
wear表示“穿着”、“戴着”这样的持续状态。如：1}The workers all wear thick clothes and glasses over their eyes．
工人们都穿着厚衣服，戴着眼镜。2）What\'s Jim wearing？吉姆穿（着）什么衣服？
▲put on是指“穿上”、“戴上”的动作，即由没穿（戴）到穿上（戴上）的过程，而不表示持续状态。如：
1） Put it on, please, Lily．莉莉请把它穿上。
2）Don\'t be late-Oh, and put on your old clothes．不要迟到—呢，穿上旧衣服。
▲dress既可表示“穿衣服” 这个动作（put on clothes），又可表达“穿着衣服”这个状态（wear clothes）如：
1) Dress yourself more neatly．穿得整洁一点儿。
2) She was dressed in red．她穿着红色上衣。
3. You can see plenty of butterflies and bees flying in the garden．你能看见许多蝴蝶和蜜蜂在花园中飞舞。
▲plenty of的意思是“许多的”“大量的”，既可与可数名词连用，又可与不可数名词连用。
如：①I have plenty of time．我有很多时间。
②There are plenty of students in the room．屋里有许多学生。
4. It will not be dark until half past six．直到六点半天才黑。
▲until 在否定句中，通常与瞬间动词连用，表示“直到……才……”，适用于直到某一时刻，或时间状语从句中谓语动词动作结束，主句谓动词动作才开始的情况。如：
1)The children didn\'t leave school until five o\'clock.＝The children left school at five o\'clock.五点钟孩子们才离校。
2)Kate didn\'t go to bed until her mother came back．=Kate went to bed after her mother came back．
母亲回来后，凯特才上床睡觉。
Unit 3 Travelling in Garden City 花园城市的交通
★重点词汇air-conditioner空调conductor售票员double-decker双层fare-box投币箱 flyover立交桥 park停车场
pedestrian行人single-decker单层
★语法聚焦1．限定词none of等的用法； 2．副词nowadays, perhaps等的用法；
3．一般将来时的用法； 4．形容词比较级fewer等的用法。
课文英汉对照
Look and read
Buses
In the past, many people liked travelling by bus. All passengers had to buy tickets. There was a bus-conductor in each bus. He collected money from the passengers and put the money in a bag. Passengers do not buy tickets now. They put their money in a fare-box instead. In the past, there were only single-decker buses. None of them was a double-decker bus. In the past, travelling by bus was not very comfortable. There were no air-conditioners in the buses．Nowadays, most buses have air- conditioners. Most of the bus-drivers are men, but some of them are women. However, in the past, none of the bus-drivers were women . All of them were women .
过去, 多数人喜欢乘公交车出行。所有乘客必须买票。每辆车上有一名售票员。他从乘客手中收钱，然后放入包中。现在乘客不必买票了。取而代之的是他们把钱放进投币箱中。过去只有单层公交车。没有一个是双层的。在过去乘公交车旅行不太舒服。车内没有空调。现在，多数公交车有空调。大多数公交车司机是男的，但也有一些是女的。然而，过去没有一名公交车司机是女的。他们都是男的。
Answer true or false
1 .Nowadays, none of the buses are double-decker buses. 1. 现在，没有双层公交车。
2. Nowadays, some of the bus-drivers are women. 2. 现在，一些公交车司机是女的。
3 .In the past, all of the buses had a fare-box. 3. 在过去，所有的公交车都有投币箱。
4. In the past, some of the buses were air-conditioned. 4. 在过去，一些公交车带空调。
Look and say
What will travelling in our city be like in 10 years\' time? Perhaps there wilI be more roads. Perhaps there will be fewer traffic jams. Perhaps we won’t travel by ferry any longer. Perhaps more people will travel by taxi.
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