高中英语 Unit 4 Wildlife protection语言点课件 新人教必修2

1、2021/8/11 星期三1language points Unit 42021/8/11 星期三2decrease 1) n. the process of decreasing 减少；减弱；减轻There has been a steady decrease in the number of visitors.游客的数量持续下降。Vt. To make sth. become less 减少；降低We have decreased our demand for papers.vi. To become less 变少The number of whales has decreased sh

2、arply this year.今年鲸鱼的数量急剧下降。2021/8/11 星期三3die out (家族，物种等)灭亡；风俗、做法等(消失)，过时在过去的几十年里，许多动物灭绝了。decade(十年)Many animals have died out in the past decades.The fire is dying down.The members of the family all died off.The noise of the car died away in the distance.火焰,风暴，疼痛逐渐消失（家族，种族）等相继死去（声音，光线，风等）渐弱，渐熄enda

3、nger vt. 使 遭受危害 Smoking endangers health.2021/8/11 星期三4 in danger 处于危险之中The patient is in danger.be in danger of 有 危险 be out of danger 脱离危险endangered adj. 濒危的 dangerous 危险的relief n. a feeling of happiness that sth. unpleasant has not happened or has ended轻松感，欣慰感2021/8/11 星期三5 2.turn round : 转过去，围绕旋转

4、The earth turns around the sun.turn on /off 打开/关掉 turn up/ down 开大/减弱turn to 向求助 turn against 反对turn out 关闭，生产 turn over 翻转，考虑turn away 解雇 turn back 折回2021/8/11 星期三68. suggest sth/ doing sth. 提议,建议I only suggest the plan. You decide.I suggest taking part in the singing competition.他的秘书建议我们下周再来。His s

5、ecretary suggested that_ _ we (should) come next Monday.suggest (that) sb (should) do / be(虚拟语气)suggest还可作“表明，说明，暗示”解。陈述语气Her expression suggested that she was angry.2021/8/11 星期三7He came to my class every week, but his attitude suggested he_ not really interested in the class.A. is B. be C. was D.

6、wereC2021/8/11 星期三8 thick adj. thick black haira thick foresta thick doorthick smokea thick rope浓密的头发茂密的森林厚重的门浓烟粗绳2021/8/11 星期三99 The knife can protect you from a robberThe fur can protect the antelopes against the tect sb from sth/sb.保护免受protect sb against sth 防御2021/8/11 星期三10Eg. He is wea

7、ring sunglasses to protect his eyes from the strong sunlight 他戴着太阳镜以遮挡强烈的阳光 keep sb from doing sth stop sb from doing sth 阻止某人干某事 prevent sb from doing sth The school stopped the students from playing computer games2021/8/11 星期三1110 It contains a powerful drug which affects mosquitoes它含有一种强效的药物可以防止蚊

8、虫叮咬。careful / careless fearful / fearlesshelpful / helpless hopeful / hopeless useful / useless2021/8/11 星期三1211. contain v. n. containerThe new textbook contains 10 units, including two mainly revisions. He was so excited that he could hardly contain himself. The room is not big enough to contain s

9、o many people. 包含；含有控制；容忍容纳2021/8/11 星期三1312. affect v. The change in climate may affect your health. Cancer has affected his lungs. I was deeply affected by the film. 影响感染感动2021/8/11 星期三14 13 . effect n. have a effect on 对.有影响 The film had a great effect on him. v. They effected their escaped in th

10、e middle of the night.2021/8/11 星期三15affect （v）: have an effect on 影响。突然的天气变化可能影响你的健康。他的意见不会影响我的决定。effect （n）效应；结果；后果。这药有什么疗效吗？这个影片对她影响很大。A sudden change in weather may affect your healthHis opinion will not affect my decisionDid the medicine have any effect? The film had quite an effect on her2021/

11、8/11 星期三16No rain forest, no animals and no drugs. 没有雨林就没有动物，也就没有药物。no no没有就不； 不便无； 不不No fire, no smoke. No pains, no gains.No song, no supper. 无火不冒烟。/事出有因。 不劳无获。不唱歌，没晚饭。/不干活，没饭吃。/不劳动，不得食。(There are) No animals and no drugs without rain forest. 2021/8/11 星期三17pay attention tobe used tolook forward t

12、o devote oneself toget down to turn tolead torefer to stick to 注意习惯于盼望投身于；致力于认真对付，处理求助于导致涉及；提到坚持2021/8/11 星期三181. Getting _ in the forest is very dangerous. A. losing B. lost C. to lost D. being lost2. You will get _ if you stand under the sun for a long time. A. burning B burn C. burnt D. to burn 2

13、021/8/11 星期三193. He is hunting _ his lost watch here and there. A. to B. at C. for D. out4. It will be _ wonderful world if all nations live in _ peace with each other. A. a a B. the the C. a the D. a / 2021/8/11 星期三205. I hear Tim once was _ of losing his life, but now he is _. A. in danger, out of danger B. in the danger, out of the danger C. in danger , out of danger D. in the danger, out of the danger2021/8/11 星期三216. The poor families can apply _