教材是死的，不能随意更改。但教法是活的，课怎么上全凭教师的智慧和才干。下面这篇是小编为大家整理的高三英语教案重点难点：Lesson 46，希望大家喜欢!

1. Some birds will fly away to the south when the weather turns cold. 有些鸟儿在天气转冷时就向南方飞去。1). fly away 飞离;(远距离) e.g. When flying a kite, he had his kite flown away by the strong wind. 放风筝时，他的风筝被大风刮走了。The bird shook its wings and flew away. 那只鸟振翅飞走了。 fly off 飞离;(近距离) e.g. The bird flew off the tree. 这只鸟儿从树上飞走了。2). weather 天气;某一地区短时间内的天气情况，如刮风，下雨，阴天，冰雹等，没有规律可言;climate 气候;某一地区常年的气象情况，如温度，湿度，降雨量等，有一定的规律可言。e.g. Many crops depends on weather. 许多农作物要依赖天气。The weather has changed again. 天气又变了。 A drier climate would be good for your health. 干爽的气候对你的健康有好处。The climate of Ili is enjoyable all the year round. 伊犁的气候一年四季都令人愉快。weather 不可数名词，但是指“各种各样的天气”时，可用复数。 Our air forces can fly in all weathers. 我国空军能够在各种各样的情况下起飞。It is such fine weather that I suggest going outing. 天气如此之好，我建议外出郊游。

2. A good many animals sleep under the snow. 许多动物睡在雪下。a good / great many 大量的;许多的;修饰可数名词复数。 e.g. On our way to the hotel, I asked him a good many questions. 在去旅馆的途中，我问了他许多问题。When we arrived we found that there were a good many people already there. 我们到达时发现那儿已经有了许多人了。 表示 “其中有许多” 可用 a good many of e.g. A good many of beggars are blind. 乞丐中有许多人是盲人。A great many of them couldn’t pass the examination this time. 他们中有许多人这次考试没有及格。**** a great many of the students = a great many students; 复数名词前如果有物主代词，指示代词以及定冠词，a good many 后面 + of 。

3. Then it has no choice but to lie down and sleep. 于是它别无选择，只好躺下睡觉。but 用于no, all, nobody, none之后，表示“除……之外” e.g. Who but he would do such a thing! 除了他之外，谁还会干这样的事! None but disaster would come from such a plan. 这个计划只有招致灾祸，别无益处。**** but前面如有实义动词do的相应形式，后面的动词不定式省略to; but前面如果没有实义动词do的相应形式，后面的动词不定式必须带to; e.g. She will do anything but do farming work. 她什么都愿意干，就是不愿意干农活。---- I have no choice but to wait here. 我别无选择只好在这儿等待。 He had nothing to do but read novels. 他什么事情也没有做，就是看小说。---- I have no desire but to lead a quiet life. 我别无他求，只想过一种平静的生活。**** last but one 倒数第二; last but two倒数第三; **** but 还可以做关系代词，引导定语从句，其意义相当于who not / that not; e.g. There is no one of us but wishes to go there. 我们人人都想去那儿。

4. Hibernation is more than sleep. 冬眠不仅仅是睡觉。more than 不仅仅;不只是;超过;e.g. His trip to Beijing was more than sightseeing. 他的北京之行不

仅仅是旅游观光。Beijing Weekend is more than a newspaper, it can help us to learn English. <<北京周末>>不仅仅是一份报纸，它对我们学英语很有帮助。*** no more than (后接基数词)只有;仅仅;not more than (后接基数词)至多;不超过;no less than 至少有; not less than 不少于;e.g. He has no more than 20 yuan in his pocket. 他身上只有20元钱。---- He can’t be more than thirty. 他不到30岁。He walks no less than five miles to school.她要走5 英里到学校。---- She has not less than three pens. 她至少有3枝钢笔。