必修3uni4-5教师用.doc

高中英语 必修三 Unit 4 Astronomy: the science of the stars 5仁爱之心对学生 敬畏之心做教育 1知识梳理 1.gradually adv．逐渐地，逐步地，渐进地e.g. The weather gradually improved.天气逐渐转好e.g. Gradually，he began to understand ．他渐渐地开始明白了[思维拓展 ]gradual adj 逐渐地，渐进的，(斜坡)不陡的，平缓的gradualism n. (社会变革上的 )渐进主义，渐进主义,政策graduate n.大学毕业生 ; v. 大学毕业graduation n.毕业，毕业典礼graduated adj 分等级的，分层次的，(容器或量具) 标有刻度的2. as． ． ．as ． ． ．的用法小结(1)as+形容词、副词原级+as e.g. The work is not so easy as you imagine.这项工作绝不像你想像得那样简单2) as + adj + a/an + 单数不可数名词/ 复数可数名词+ ase.g. I have read as many English book as you have．我读过的英语书和你读过的一样多。

e.g. Mary is as beautiful a girl as Daisy．玛丽和戴西是一样漂亮的女孩 [词组拓展]as many／much as… 多达… as light as feather 轻如鸿毛 as soon as 一……就…… as／ so far as… 远到……，一直到……as early as 早在 as strong as a horse 气壮如牛as long as 长达 as well as 除……之外，还as good as 与 ……几乎一样 as…as possible 尽可能地…… 3.英语“倍数”巧表达 英语中表达倍数常用 once ,twice, three times.不论用何种句型都包括它本身的基数在内可译为“是……的……倍” ，或“增加到……倍” 。

句型如下： (1)……数词十 times 十比较级十 than… e．g．The box is five times bigger than that one． 这只箱子是那只箱子的五倍 (2)……数词十 times 十 as 十原级十 as… e．g．Asia is four times as 1arge as Europe． 亚洲是欧洲的四倍大 (3)……数词十 “times+名词(the size／width of …) e．g．This hall is five times the size of our classroom．这大厅是我们教室的五倍 (4)……数词 +“times 十 what+引导的从句 高中英语 必修三 Unit 4 Astronomy: the science of the stars 5仁爱之心对学生 敬畏之心做教育 2e．g．The production is now three times what it was ten years ago．目前的产量是十年前的三倍。

4.．mass n.团，块，堆；大量，众多 adj．群众的，人数极多的the masses 群众，民众a mass of 和 masses of 都意为“许多” ，后可跟可数名词复数形式，也可跟不可数名词a mass of sand 一堆沙floating masses of ice 大块大块的浮冰5．now that 意思为“既然” 在意思和用法上同 since，引导原因状语从句e．g．Now(that)you mention it，I do remember the incident．经你一提，我想起那件事了6.exhaust vt. 使筋疲力竭，使疲惫不堪，用完，花光，耗尽e．g．There is no need to exhaust yourself clearing up．你不必筋疲力竭地收拾e.g. Don’t give up until you have exhausted all the possibilities．只要还有可能就别放弃6.．amaze vt．使大为惊奇；使惊愕e．g. His success amazed me!他的成功令我惊讶!e.g. We were amazed at the news ．我们对这个消息感到惊讶。

e.g. He amazed everyone by passing his driving test．他驾驶考试及格使大家很惊讶[思维拓展 ]amazed adj. 感到惊奇的，觉得惊讶的amazing adj.了不起的，令人惊讶的amazingly adv．令人惊奇地，令人惊讶地amazement n.吃惊，惊奇典题精练1.The rock _____ wears away due to the action of the water.(W.XX)A. gradually B. finallyC. immediately D. generally2. The committee is discussing the problem right now. It will ____have been solved by the end of next week. (W.XX)A. eagerly B, hopefullyC. immediately D. gradually3. It is generally believed that teaching is _____ it is a science. (W.XX)A. an art much as B. much an art asC. as an art much as D. as much an art as4. Our neighbor has ______ours. (W.XX)A. as a big house as B. as big a house asC, the same big house as D. a house the same big as5. The amount of money that he saved reached ______30,000 dollars. (W.XX)A. as many as B. as much as 高中英语 必修三 Unit 4 Astronomy: the science of the stars 5仁爱之心对学生 敬畏之心做教育 3C. as high as D. as far as6.After the new technique was introduced ,the factory produced_______ tractors in 1998 as the yearbefore. (W.XX)A. as twice many B. as many twiceC. twice as many D. twice many as7. Americans eat_______ vegetables per person today as they did in 1910. (W.XX)A. more than twice B. as twice as manyC. twice as many as D. more than twice as many8.The house rent is expensive. I' ve got about half the space I had at home and I' m paying ____ here. (W.XX)A. as three times much B. as much three timesC. much as three times D. three times as much9. ______ are often the makers of history. (W.XX)A. The masses B. The mass of peopleC. A mass of people D. Masses10. ______you've got a chance, you might as well make full use of it. (W.XX)A. Now that B. AfterC. Although D. As soon as11.--How do you like your new job?---I find a full day' s teaching ____ me. (W.XX)A. exhausted B. exhaustsC. exhausting D. exhaust12.Within three days they had __ their supply of food. Which of the following is wrong? (W.XX)A. exhausted B. used upC. run out of D. given out13.Visitors are often ______to discover how little the town has changed. (W.XX)A. amazing B. amazedC. amazingly D. being amazed14. Although he is only a child, what he says is ______.Which of the following is wrong? (W.XX)A. surprising B. amazingC. interesting D. amazed15.It is reported that the United St。