Unit 4 Astronomy the science of the stars
(、课程解读《(-) 1. Science of the stars(恒星科学)2, The development 话题ofle(命的发展) 3. Space travel and gravity太空旅行和重力 功能 Instructions(指示) 语法 Noun clauses as the subject主语从句) astronomy, atmosphere, system, chain, theory, 重点|gobe, violent, unlike, spaceship, oxygen, 单词 harmful, exist, presence, puzzle, gravity, satellite, climate, crash, pull, float,mass
话题 1.Science of the stars(恒星科学) 2.The development of life(生命的发展) 3．Space travel and gravity(太空旅行和重力) 功能 Instructions(指示) 语法 Noun clauses as the subject(主语从句) 重点 单词 astronomy，atmosphere，system，chain，theory， globe，violent，unlike，spaceship，oxygen， harmful，exist，presence，puzzle，gravity， satellite，climate，crash，pull，float，mass
重点 in time, lay eggs, give birth to, in one's turn, 短语 prevent,omoo, cheer up, now that, break out, watch out 1. What it was to become was uncertain until between 4.5 and 3. 8 billion years ago when the dust settled into a solid globe. 重点 2. This produced a chain reaction, which made it 句型 possible for life to develop bit of practice now that gravity has changed 9 3.“ Oh dear,” I cried,“ walking does need 4. But when I tried to step forward, I found i was carried twice as far as on the earth and fell over
重点 短语 in time，lay eggs，give birth to，in one's turn， prevent...from，block out，cheer up，now that， break out，watch out 重点 句型 1.What it was to become was uncertain until between 4.5 and 3.8 billion years ago when the dust settled into a solid globe. 2．This produced a chain reaction，which made it possible for life to develop. 3．“Oh dear， ” I cried， “walking does need a bit of practice now that gravity has changed.” 4．But when I tried to step forward，I found I was carried twice as far as on the earth and fell over
()知识与要点) 要点一)重点单词 l. existⅵ存在;生存(无被动式和进行时) 归纳拓展 (1) There exists/existed.某地有……;存在… exist in存在于… exist on靠……生活/生存 (2) existence n.存在;生存 be in existence存在 come into existence开始产生,成立 bring into existence使产生 (3) existent a存在的;现行的
1．exist vi.存在；生存(无被动式和进行时) 归纳拓展 (1)There exists/existed...某地有……；存在…… exist in存在于…… exist on靠……生活/生存 (2)existence n．存在；生存 be in existence存在 come into existence开始产生，成立 bring into existence使产生 (3)existent adj.存在的；现行的
We can't exist without food or water. 没有食物和水我们就不能生存。 I can hardly exist on the wage that I'm getting 我靠我挣的工资简直难以糊口。 When did the world come into existence? 世界是什么时候开始存在的? There exists a good way to solve the existing problem in geography.有一个解决目前地理问题的好办法
We can't exist without food or water. 没有食物和水我们就不能生存。 I can hardly exist on the wage that I'm getting. 我靠我挣的工资简直难以糊口。 When did the world come into existence? 世界是什么时候开始存在的？ There exists a good way to solve the existing problem in geography.有一个解决目前地理问题的好办法
【链接训练】 OHe doesn't believe in the of god A life b. exist C. existence D, exhibition 【解析】 existence“存在”,符合题意。 exist是动词, 不能用在此处。何意为:他不相信有上帝存在。 【答案】C
【链接训练】 ①He doesn't believe in the ________ of God. A．life B．exist C．existence D．exhibition 【解析】 existence“存在” ，符合题意。exist是动词， 不能用在此处。句意为：他不相信有上帝存在。 【答案】 C
2As everyone knows, since the Communist Party of China in 1921, great changes have taken place in China A. came into effect B. came into force C. came into existence D. came into power 【解析】考查动词词组辨析。句意为:众所周知,自 从1921年中国共产党成立后,中国发生了巨大的变化。come into existence“开始产生,成立”,符合题意。 come into effect“生效,执行”; come into force“开始生效”;come into power“上合,掌权” 【答案】C
②As everyone knows，since the Communist Party of China ________ in 1921，great changes have taken place in China. A．came into effect B．came into force C．came into existence D．came into power 【解析】 考查动词词组辨析。句意为：众所周知，自 从1921年中国共产党成立后，中国发生了巨大的变化。come into existence“开始产生，成立” ，符合题意。come into effect“生效，执行”；come into force“开始生效”；come into power“上台，掌权” 。 【答案】 C
2.pzen[c难题,谜v使迷惑 归纳拓展 (1) be in a puzzle感到困惑 (2) puzzle sb使某人迷惑 puzzle out仔细思考,设法想出答案 (3) puzzling a令人困惑的 puzzled ad感到困惑的
2．puzzle n．[C]难题，谜 vt.使迷惑 归纳拓展 (1)be in a puzzle 感到困惑 (2)puzzle sb.使某人迷惑 puzzle out 仔细思考，设法想出答案 (3)puzzling adj.令人困惑的 puzzled adj.感到困惑的
People were in a puzzle about the crash in which the president of poland died. 人们对总统坠机身亡这一事件感到困惑 Their reason for doing it is still a puzzle to me 他们为什么要做此事我仍莫名其妙。 What puzzles me is why he left the meeting without telling anyone 令我困惑不解的是,他为什么没告诉任何人就从会议上 离开了
People were in a puzzle about the crash in which the president of Poland died. 人们对总统坠机身亡这一事件感到困惑。 Their reason for doing it is still a puzzle to me. 他们为什么要做此事我仍莫名其妙。 What puzzles me is why he left the meeting without telling anyone. 令我困惑不解的是，他为什么没告诉任何人就从会议上 离开了
【链接训练】 F acn g e situation, the sales manager looked A. puzzling; puzzled B. puzzling; puzzling C. puzzled; puzzled D. puzzled; puzzling 【解析】句意为:面临着令人困惑的局势,销售部经 理看起来迷惑不解。第一空形容 situation的特点用ping 表示人困惑时用 puzzled。故正确答粲为A项。 【答案】A
【链接训练】 Facing the________situation, the sales manager looked________. A．puzzling；puzzled B．puzzling；puzzling C．puzzled；puzzled D．puzzled；puzzling 【解析】 句意为：面临着令人困惑的局势，销售部经 理看起来迷惑不解。第一空形容situation的特点用puzzling； 表示人困惑时用puzzled。故正确答案为A项。 【答案】 A