unit 4Astronomy: the science of the starsBy Crystalplease read the new words and expressions of unit4fill in the blanks_ 太阳系 _ 猛烈的；激烈的_ 及时；终于 _ 轮到某人 unlike _ prep. harmful _ adj. give birth to _ _ 下蛋 _ 存在，生存 _ 既然 pull _ n.&vt. break out _ _ 阻止；制止puzzle _ n. _ vt. _ 密切注意；当心；提防_ 感到高兴；感到振奋solar systemviolentin time与.不同有害的lay eggs产生；分娩existnow that in ones turn拉；拖；牵引力突发；爆发prevent . from谜；难题迷惑；为难watch out forcheer up in time 及时；终于 not late; with enough time to be able to do sth.eg: If you keep on working hard, youll succeed in time. 只要你坚持工作，你_会成功的。关于time的短语：_ 准时 _ 同时_ 一直，一向 迟早on timeat the same timeall the timeeg:To our pleasure, his parents came to accept the fact _.A. at times B. in time C. on time D. at a timeBeg: Dont worry. Im sure things will get better_.A. in time B. on time C. at times D. at the timeAeg:我应该能及时赶回来去观看那场足球我应该能及时赶回来去观看那场足球赛。赛。I should be back _ to watch the football match.in timeharmful adj. 有害的有害的_ vt.& n. 损害；危害；伤害损害；危害；伤害_ adj. 无害的；无恶意的无害的；无恶意的eg： Your smoking can be harmful to the health of your children.你吸烟会对你的孩子的健康有害。你吸烟会对你的孩子的健康有害。The suns rays can be very harmful to the skin.太阳光线也会对皮肤有害。太阳光线也会对皮肤有害。归纳归纳 harmful 的用法：的用法：对对.有害有害 harmharmlessbe harmful to .exercise: 饮酒太多有害你的健康。饮酒太多有害你的健康。Drinking too much is harmful to your health.=Your smoking can do harm to the health of your children.eg： Your smoking can be harmful to the health of your children.你吸烟会对你的孩子的健康有害。你吸烟会对你的孩子的健康有害。对对.有害：有害： be harmful to do harm to exercise: 饮酒太多有害你的健康。饮酒太多有害你的健康。Drinking too much is harmful to your health.= Drinking too much does harm to your health.eg: Everyone knows smoking is _ to their health, but many of them cant beat themselves away from it.A. harmful B. good C. helpful D. badAeg: The accident caused some_ to my car, but its nothing serious.A. harm B. injury C. ruin D. damageDharm 意为意为“伤害；危害伤害；危害”，主要指精神上的伤害；，主要指精神上的伤害；injury 意为意为“受伤受伤”，主要指躯体和情感上的伤，主要指躯体和情感上的伤害；害；ruin意为意为“毁灭；废墟毁灭；废墟”，强调毁灭和不可，强调毁灭和不可修复；修复；damage意为意为“损坏；损失；损毁损坏；损失；损毁”，强调，强调使部分功能缺失。使部分功能缺失。prevent . from 阻止，制止阻止，制止eg: Nothing can prevent him from beating the poor dog.什么都不能阻止他打那只可怜的狗。什么都不能阻止他打那只可怜的狗。 We were prevented by the heavy smog from seeing anything.浓雾使我们看不到任何东西。浓雾使我们看不到任何东西。阻止某人做某事：阻止某人做某事：prevent sb. (from) doing sth. stop sb. (from) doing sth. keep sb. from doing sth.exercise: The heavy rain didnt _ the fans from watching the football match. 这场大雨丝毫不能阻球迷们观看足球比赛。这场大雨丝毫不能阻球迷们观看足球比赛。 prevent/stop/keep父母的话阻止了他放弃的念头。父母的话阻止了他放弃的念头。Parents words prevented/stopped/kept him from giving up. in ones turn 轮到某人轮到某人its time for sb to do sth.补充关于补充关于turn的短语：的短语：in turn 依次；轮流；转而依次；轮流；转而by turns 轮流轮流turn on 打开打开turn off 关掉；拐弯关掉；拐弯turn to 求助于；转向；翻到求助于；转向；翻到turn up 出现；开大出现；开大turn down 拒绝；关小拒绝；关小turn in 上交；呈交上交；呈交turn into 变成变成turn out 结果是；原来是结果是；原来是turn away 转过脸去；拒绝（某人）进入转过脸去；拒绝（某人）进入turn back 往回走；翻起往回走；翻起turn over 翻转翻转turn around 转身转身1. Students _ teachers for help when they have trouble in solving the problems. 2. We thought he was wrong, but ie _ he was right. 3. Mrs Riley paused, Please _ the voice ,its too loud.4. She _ at the party last night.turn toturned outturned upturn down break out 突发；爆发突发；爆发回忆：突然哭出来回忆：突然哭出来 突然笑出来突然笑出来break out crying=break into tearsbreak out laughing=break into laughter补充补充break的短语：的短语：break up 解散；打碎解散；打碎break through 突破；冲垮突破；冲垮break away from 脱离脱离break off 停止讲话；打断停止讲话；打断break down 打破；坍塌；垮掉打破；坍塌；垮掉break in 进入；插话进入；插话break into 强行进入（某处）；突然开始（大笑）强行进入（某处）；突然开始（大笑）exercise： He had to pause from time to time to wipe the sweat from his forehead, because the air-conditioning system_.A. broke in B. broke upC. broke out D. broke downDHomework:1. read the words of unit4 for 3 times2. finish the exercises on page 28puzzle n. 谜；难题谜；难题 vi.&vt. (使使)迷惑；迷惑；(使使)为难为难v. puzzle sb. 使某人迷惑使某人迷惑 puzzle about / over sth. 苦苦思索谋事物苦苦思索谋事物puzzled adj. 迷惑的；困惑的迷惑的；困惑的puzzling adj. 令人迷惑的令人迷惑的puzzlement n. 迷惘；困惑迷惘；困惑eg: 这个问题把我们难住了。这个问题把我们难住了。 The question puzzled us.eg: 她带着困惑的表情倾听着。她带着困惑的表情倾听着。 She listened with a _ expression. puzzledThe situation is more _ than ever. Im _ about what to do next.A. puzzled ; puzzled B. puzzling ; puzzlingC. puzzling ; puzzled D. puzzled ; puzzlingCpull v. 拉；拉； 拖拖 n. 牵引力牵引力pull away 开始驶离，走开开始驶离，走开pull off 匆忙脱（衣服；鞋）匆忙脱（衣服；鞋）pull on 随便穿上随便穿上pull down 拆毁拆毁pull in (火车火车)进站进站pull through (使使)渡过难关渡过难关/危机危机eg: We arrived on the platform just as the train was _ .A. pulling in B. pulling downC. pulling through D. pulling togetherAcheer up 感到高兴；感到振奋感到高兴；感到振奋cheer sb/ oneself up 使某人高兴使某人高兴cheer sth/sb on 为为.鼓劲鼓劲/加油加油cheers 干杯干杯cheerful adj. 高兴的；愉快的高兴的；愉快的cheerless adj. 不快活的不快活的一、一、 单词拼写单词拼写1. U_ his brother, he has a good sense of humour.2. We should try our best to apply _(理论理论) to practice.3. Its a(n) _ (谜谜) where all my money goes each week.4. The new government promised to improve the present health care _（体系）（体系）.5.It is generally accepted that smoking is h_ to our health.nliketheorypuzzlesystemarmful二、单选二、单选1. The hotel is always full of people because it offers a friendly _ and personal service.A. surface B. atmosphere C. system D. appearance2. She gave birth _ three daughters and two sons all her life.A. for B. at C. to D. on3. She felt _ about her future.A. puzzle B. puzzling C. puzzled D. puzzlesBCC