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1、Period Developing ideas课前自学导引与大自然的接触作为一名自然摄影师,我必须勇敢地面对各种恶劣环境。但是,尽管刮风下雨,我仍然喜欢在野外工作。这份工作最好的一点是你可以在自然环境中观察动物。我最喜欢拍照的地方是黄石国家公园。作为世界上第一个国家公园,黄石公园以其野生动物的多样性而闻名,但它可能最以熊而闻名。这些巨大而强壮的动物可以活三十年。尽管体重高达300公斤,但它们可以以每小时大约64公里的速度奔跑,同时它们也是游泳高手。去年春天在黄石公园,我沿着一条小路穿过一片黑暗的森林。当我终于走出树林时,景色令人惊叹。一只鹰飞过白雪皑皑的群山,山体倒映在山下平静的湖面上。当我专
2、注于拍摄这一令人惊叹的景色时,我突然有一种感觉,有东西正在看我。慢慢地,仍然举着相机在眼边,我转过身来呆住了。离我只有几米远的地方有一只熊。水从它浓密的棕色头发上落下,那只熊回头盯着我。时间静止不动,熊和我都在等待谁先行动。我的腿开始发抖。不知怎么地,我强迫我的手指按下快门。一秒钟后,熊转身跑回森林。当我从震惊中回过神来时,我看了看我的相机。我最可怕但最神奇的经历现在永远被拍摄在一张照片中。我时不时地看看这张照片,作为对所有动物表示尊敬的提醒。毕竟我们是它们世界的访客。课堂合作探究1variety n. C种类,品种 U变化,多样性(P56)归纳拓展(1)a variety ofvarieti
3、es of 各种各样的(2)vary v. (使)变化,不同vary from . to . 从到不同vary with . 随而变化(3)various adj. 各种各样的(4)variation n. 变化A variety of products are sold at a supermarket.在超市,各种各样的商品均有出售。Traditions and customs vary from place to place.传统和风俗习惯因地而异。Prices vary with the quality.价格随质量不同而变化。Everyone arrived late at the p
4、arty for various reasons.由于种种原因,每个人到达聚会的时间都很晚。单句语法填空There are (variety) kinds of wild animals in this area.Wedding traditions and customs vary one country another. (variety) of books have been published.答案:variousfrom; toVarieties2concentrate v. 集中(注意力、思想等)(P57)归纳拓展(1)concentrate . on/upon . 把专注于(2)
5、concentrate on/upon . 专注于(3)concentration n. 专心,集中We must concentrate our attention on protecting the water resources.我们必须把注意力集中在保护水资源上。How can I concentrate on my study with so much noise going on?现在这么吵,我怎么能安心学习呢?单句语法填空Its the sort of work that calls for a high level of (concentrate)I cant concentr
6、ate my work with several children shouting loudly outside.With his attention (concentrate)on his book. He didnt notice someone entering his room.答案:concentrationon/uponconcentratedafter all毕竟,归根结底,终究(P57)归纳拓展in all 总共above all 尤其是,最重要的是(强调重要性)all the time 始终,一直all of a suddensuddenly 突然,冷不防地All of a
7、 sudden the lights went out.突然,灯都灭了。After all, you are a student now, and you should study hard. 毕竟,你现在是个学生,你应该努力学习。She spent twenty yuan in all.她总共花了20元。单句写作这封信一直揣在我口袋里。The letter has been in my pocket . 要想成为伟人,你必须聪明、自信,最重要的是要诚实。To be great, you must be smart, confident, and, , honest.她总共换了8次演出服。 ,
8、 she has eight costume changes. 这也不能怪他,毕竟他头一回做嘛!Hes not to blame. , it was the first time hed done it. 答案:all the timeabove allIn allAfter all.单词拼写1The FBI keeps (档案) on former White House employees. 答案:files2Cost was a key (要素) in our decision.答案:element3She hasnt got over the (震惊) of seeing him ag
9、ain.答案:shock4Lets think of a situation where this (习语) can be used.答案:idiom5He is universally recognized as an a on Russian affairs.答案:authority6If the temperature drops below 0 , water f .答案:freezes7I am deeply attracted by the photographs taken by the famous p .答案:photographer8Music even helps pat
10、ients feel better and helps them r faster and better.答案:recover.单句语法填空1I tried shaking him but there was no (react). 答案:reaction2You should know its impolite to stare others.答案:at3All these rules must (observe) by all the students.答案:be observed4This is the biggest problem that I (encounter) in my j
11、ob.答案:have encountered5Its (freeze) cold outside so you must put on more clothes.答案:freezing6He had to overcome (variety) of difficulties while traveling.答案:varieties7We decided to brave elements and finish our task as planned.答案:the8This medicine is quite beneficial to your (recover) after the oper
12、ation, providing you take it as told.答案:recovery.选词填空a variety of; concentrate on; after all; be famous for; at a speed of; brave the elements; do good to; from time to time1.It is important for children to have their teeth checked .答案:from time to time2It is hard for a child to one thing for a long
13、 time.答案:concentrate on3Weifang is home to kites, where you can buy kites.答案:a variety of4The restaurant its good service which attracts a lot of customers.答案:is famous for5Journalists (记者) always to report the news.答案:brave the elements6Humour can always keep you in high spirits, which will both yo
14、ur mental and physical health.答案:do good to7Forgive him for what he has done and give him a chance to correct his mistake. , he is only a child. 答案:After all8Chinas newgeneration highspeed train, the Fuxing, is now one of the fastest trains in the world, which can travel 350 km/h.答案:at a speed of.单句写作1我上次见她大约是16年前了。(the last time) was about sixteen