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1、八年级上册外研版（英语）单词热身单词热身 课前导学 mile n. 英里 round adv. 围绕地 northwest n.西北 adj. 西北的；朝西北的 southeast n.东南 adj. 东南的；朝东南的重点句型重点句型1.When is the best time to visit the US?什么时候去美国游览最好？2Bring your camera so you can take photos of the autumn trees.带上你的照相机以便拍摄秋天的树木。3In Texas and the southeast, it is usually very hot
2、and sunny compared to other places.和其他地方相比，得克萨斯州和东南部地区通常天气很热，阳光灿烂。短语积累短语积累 课前导学from time to time 有时；间或 课文复现：根据课本Unit2的内容，完成下面的短文。 课堂同步 The US is a very big country. It is about 3, 000 miles from (1) to (2) , so choose carefully the places to see and the time to go.(3) _ New England is in September T
3、he weather gets cooler, and the green leaves start to turn gold, and then brown. California is on the Pacific coast, and the weather is fine (4) . If you want to visit Alaska, you (5) go in summer. In Texas and the southeast, it is usually very hot and sunny (6) other places. So any time you like is
4、 the best time to visit the US.the west coastthe east coastThe best time to visithad bettercompared toall year round1. When is the best time to visit the US?什么时候去美国游览最好？The best time to visit New England is in September.九月是去新英格兰游览的最佳时间。the best time to do sth. 做某事的最佳时间如：The best time to visit Foshan
5、 is in autumn.秋天是游览佛山的最佳时间。 课文导学2The weather gets cooler, and the green leaves start to turn gold, then brown.天气变得凉快，绿叶开始变成金黄色，然后变成褐色（枯萎）。 表示变化的系动词有become，get，go和turn，意为“变成，变得”，后面接形容词，表达“从一种状态变成另一种状态”。 课文导学辨析：辨析：become, get, go和和turn（1） become可接形容词或名词，表示“变成；变得”。如：He becomes interested in maths becau
6、se he likes his maths teacher.他因为喜欢他的数学老师而变得对数学感兴趣了。My father became a teacher by working hard.通过努力，我的父亲成了一名教师。 课文导学（2）get后常接表示气候变化的形容词，常与形容词的比较级连用。如：The days are getting longer and longer when summer comes. 夏天一到，白天变得越来越长。（3）go后面接形容词，多表示从好的状态变成坏的状态。如：The milk has gone bad. Dont drink it.牛奶已经变质，不要喝了。
7、Dad went mad when he heard the bad news.爸爸听到那个坏消息后非常生气。 课文导学（4） turn多用于看得见或引人注目的状态变化上，常用在表示颜色的单词之前。如：Her face turned red when she saw him.她看到他的时候，脸红了。Leaves turn yellow when autumn comes.秋天来了，树叶黄了。3Bring your camera so you can take photos of the autumn trees. 带上你的照相机以便拍摄秋天的树木。take photos of 给 拍照如：I
8、took some photos of Tiananmen Square in Beijing. 我拍了一些北京天安门广场的照片。 课文导学4California is on the Pacific coast, and the weather is fine all year round.加利福尼亚在太平洋沿岸，全年天气晴朗。all year round意为“全年；一整年”，相当于all through the year。类似的短语还有：all day（一整天），all night（一整晚）。如：She works all day and all night.她夜以继日地工作。 课文导学5I
9、n Alaska, the days are long and warm in summer, but may be cool in the evening.在阿拉斯加，夏天的时候，白天漫长而温暖，但晚上可能会很凉快。may在这里表示猜测，意为“可能”。如：He may come to my birthday party tonight, but I am not sure. 今晚他可能会来参加我的生日聚会，但我不确定。The answer may be right.这个答案可能是对的。 课文导学6In Texas and the southeast, it is usually very h
10、ot and sunny compared to other places.和其他地方相比，得克萨斯州和东南部地区通常天气很热，阳光灿烂。compared to 意为“与 相比较”，在这里相当于compared with。如：Compared to their school, our school is really very big.和他们学校相比，我们学校真的很大。 课文导学【即学即练】完成句子1. 十月是去北京旅游的最佳时间。 _ _ _ _ _ _is in October.2. 夏天来了，白天变长了。When summer comes, days _ _.3. 与北方的城市相比，昆明终年气候温暖。 _ _ the cities in the north, Kunming is warm _ _ _. 课文导学The best time to visit Beijingget / become longerCompared to / with all year round4. 明天天气可能会变冷，所以你最好多带点衣服。It _ _ _ tomorrow, so you had better take more clothes. 课文导学 may get cold