课件67张PPT。Unit 4 Exploring plantsA. The missionaries collected large numbers of specimens.
B. Many plant collectors were sent on collecting trips to China.
C. E H Wilson collected a large quantity of seeds of the Dove Tree.
D. Many European plant collectors collected new plants to Western gardens.1. What is the main idea of the ninth paragraph?A. in 1751, some Tree of Heaven seeds arrived in England
B. in 1769, Sir Joseph Banks collected vast quantities of plants in the land now known as Oceania
C. in 1784, the Tree of Heaven was introduced into North America
D. between 1843 and 1859, a British plant collector, Robert Fortune, made several trips to China2. All of the following statements are true EXCEPT that ____.3. What improved the survival rates
of plants transported long distances?
A. Plant exploration.
B. Botanical knowledge.
C. Seawater.
D. The invention of the Wardian case.4. In the sentence “European botanists were very excited with the knowledge that China had a vast variety of plants.”, what does the underlined word mean?
A. 领导人 B. 传教士
C. 植物学家 D. 探险家A. brave young men going on botanical expeditions faced many dangers including disease, near-starvation and so on
B. Robert Fortune was the earliest plant collector
C. people can find Dove Trees in European gardens
D. many plants were introduced into other countries before the 18th century5. From the passage, we can refer that __.回答下列问题, 然后以约30词概括本单元的第一篇课文的主要内容。
1. When did the plant exploration begin on a large scale?It was not until the eighteenth and nineteenth centuries that the plant exploration began on a large scale.2. Who played an important role in plant exploration?
2.Some missionaries and plant collectors.
3. What was the result of plant exploration?
3.Many exotic plants are introduced into different countries.
4. What was invented in order to transport the plants safely?
4.The Wardian case. The plant exploration began on a large scale between the eighteenth and nineteenth centuries. Some missionaries and plant collectors introduced many exotic plants into different countries with the help of the Wardian case.Summary:读本单元第一篇课文后, 以约120个词简单介绍 Rafflesia arnoldii这种植物。 Rafflesia arnoldii is the world’s largest single flower. It grows largely in Southeast Asia, on the Malay Peninsula, Borneo, Sumatra, Kalimantan, and the Philippines. These flowers have no leaves and hardly
any stem, just a huge speckled five-pedaled flower with a diameter up to one meter, and weighing up to 10 kg. Even the smallest one has 20 cm diameter flowers. The flowers smell like rotting meat, hence its local names are translated to “corpse flower” or “meat flower”. It is parasitic on a vine, spreading its roots inside the vine.1. conflict n. 冲突; 争论 vi. 冲突; 抵触
例句: Try to bend to their wishes if you want to avoid conflict. 如果你想避免矛盾, 那就试着屈从于他们的愿望吧。搭配⑴ 如果这样的话,你的观点一定会和他的冲突。
If so, your points of view are bound to ____
__________________.
⑵ 你的陈述同其余证据有矛盾。
Your statement is _________________ the rest of the evidence.运用 根据汉语意思完成下列英文句子。 in conflict withconflict with his2. restriction n. 限制;限定;约束
例句: There are currency restrictions on the sums allowed for foreign travel. 到国外旅行允许携带的款额有所限制。The swimming club is open to families in the neighborhood without restriction. 这个游泳俱乐部对邻近地区的家庭开放, 不受限制。restrict vt. 限制; 约束; 限定
restricted adj. 受限制的; 保密的
restrictive adj. 限制的; 限制性的; 约束的拓展⑴ 这个公园对公众开放, 没有任何限制。
The park is open to the public __________
_____________.
⑵ 不过, 其他用户就要受到更多的访问限制。
Others, however, should have much more ____________________ .运用 根据汉语意思完成下列英文句子。restricted access例句: The electronic industry is developing on a large scale. 电子工业在大规模地发展着。3. on a large scale 大规模地⑴ 有些国家正在大规模地准备战争。
Some countries are preparing for war ________________.
⑵ 科学家们正试图大规模地直接利用太阳能。
Scientists are trying to _______________ _______solar energy _________________ .运用 根据汉语意思完成下列英文句子。 on a large scaleon a large scale4. appeal to 对…产生吸引力 (=attract)
例句: We believe that this new product of ours will appeal to your market. 相信我们这种新产品将会引起你方市场的兴趣。 常用结构是sth. appeal to sb.=sth. attract sb., 此外, appeal to还可意为“呼吁”, appeal to sb. to do sth. 呼吁某人做某事。拓展: appealing adj. 吸引人的; 动人的提示⑴ 这些画对你产生吸引力了吗?
Do these paintings ________________?
⑵ 他对那职位本身并不感兴趣, 但是薪水很有诱惑力。
The position, as such, ________________ ________, but the salary is an attraction. 运用 根据汉语意思完成下列英文句子。appeal to you5. date back to vt. 回溯到(开始于;从……的时候存在)
例句: Our partnership dates back to 1960. 我们从1960年就合伙了。
This castle dates back to Roman times. 这个城堡可追溯到罗马时代。 表示“追溯到”的短语还有go back to, trace back to, date from, date to等, 但to date表示“至今为止”。提示⑴ 美国对烟花的喜爱可以追溯至美国革命时期。
The American people’s love for fireworks ______________the American Revolution.
⑵ 这个传统同样追溯到早期的巴比伦人。
That tradition also _____________ the early Babylonians.运用 根据汉语意思完成下列英文句子。dates back to dates back to1. However, it was not until the eighteenth and nineteenth centuries that the exploration of the botanical world began on a large scale. 然而, 直到18和19世纪人们对植物世界大规模的探索才开始。
句型: It is/was not until ...that... 直到……才…… (强调句型)⑴ 实际上, 直到6月4号潜艇才到达基地。
Actually _____________________ ________the submarines arrived at the base.仿写 根据汉语意思完成下列英文句子。⑵ 直到19世纪80年代才有了一致的实验成果支持他的理论。
_____________________________
there were consistent experimental findings to support his theory.It was not until the l880s that2. Not only did Fortune introduce over l20 species of plants to Western gardens but he also shipped 20, 000 tea plants from Shanghai to India, where a successful tea industry was established. 福琼不仅把120余种植物引进入西方的园林, 而且还用船将两万株茶树从上海运到印度, 印度的制茶工业就成功地发展起来了。 not only放句首时, 用来表示强调, 这时句子需要倒装, 但but also后不用倒装, 即“前倒后不倒”。句型: Not only... but (also)... 不但…而且……提示⑴ 他不仅拒绝收礼, 而且还严厉地批评了送礼人。
Not only _____________________, but also he severely criticized the sender.
⑵ 她不但抱怨食物, 而且拒绝付账。
____________________________________
_____ , but also she refused to pay for it.仿写 根据汉语意思完成下列英文句子。did he refuse the giftBrave young men took the opportunity of going
on botanical expeditions, often facing many dangers including disease, near-starvation, severe environments and conflicts with the local people.勇敢的年轻人借机进行植物探索活动, 他们常常面临许多危险, 如疾病、饥饿、严酷的环境以及同当地居民的冲突。(Reading Para. 2)
结构分析:动词-ing短语often facing...people作
谓语took the opportunity的伴随状语; including disease... people作名词dangers的后置定语。1. attach v. 把……固定; 重视
⑴ ___________ adj. 依恋的; 依附的
⑵ _____________ n. 依恋; 附件attachment attached2. grow vi. 生长;成长
⑴ ________ adj. 长成的;成熟的
⑵ ________ n. 成长;生长;种植
3. fail vi. 失败;不成功
________ n. 失败; 失败者; 失败的事failure grown growth4. develop v. 发展;开发;发育
⑴ ______________ n. 发展;发育
⑵ ____________ adj. 发达的
⑶ ____________ adj. 发展中的developing development developed5. excite vt. 使兴奋
⑴ __________ adj. 兴奋的
⑵ __________ adj. 令人振奋的; 使人激动的
⑶ _____________ n. 兴奋;激动excitement excited exciting6. discover vt. 发现
⑴ ___________ n. 发现者
⑵ ___________ n. 发现 discovery discoverer1. China is a ___________(develop) country in Asia.
2. Lack of demand will slow down our economic _______(grow).growth developing3. New scientific ____________(discover) are being made every day.
4. This hospital is _________(attach) to our medical department. attached discoveries5. Production in the factories stopped because of frequent power _________ (fail).
6. The boys were running in ________ (excite).excitementfailures1. ____________ 追溯到……年代; 始于…
2. __________把…送往别处; 解雇; 打发走
3. __________ 各种各样的
4. __________ 呼吁; 对……有吸引力appeal to date back tosend awaya variety of5. _________ 用完; 耗尽; 分发; 发出; 放出(光、热等)
6. _________________ take interest in sb./sth.
7. _____________ result in
8. _____________ large quantities of许多; 大量的give out对某人/某物感兴趣导致1. When your interest is ___conflict with his, __ would surely abandon you.
2. This ticket allows you to travel anywhere ________restriction.without inhe3. I strongly appeal to schools _______ (return) us the relaxing time ____ regulating and controlling the load of our homework.
4. The medicine is now _____________ (produce) on a large scale.being produced to returnby5. It was not until she took off her dark glasses _____I realized she was __a famous film star.
6. Not only ____my parents love me form the bottom of heart, but also _____ gave me chances to increase my ability.they thatadid7. Rafflesia arnoldii is the world’s ________(large) single flower.
8. The flowers smell like rotting meat, hence ____local names ___________ (translate) to “corpse flower” or “meat flower”.are translated largestits9. The China-India friendship has __ time-honored history which can date back ___2,000 years.
10. In recent years, there has been an increase in stress-related diseases _____ college and high school students.amongato1. A. glanced B. went C. broke D. set五、完形填空 Recently, I experienced a wonderful lesson that little things still mean a lot. I live on the Big Island of Hawaii. About a month ago, when I started my car and I 1 down at the roadside, a piece of paper caught my eye. A由句中的a piece of paper caught my eye可知填glanced。glanced与eye是词语同现。I picked it up and 2 it carefully.
The form turned out to be a 3 from the State Motor Vehicle Division, documenting the owners’ 4 of their vehicle’s registration fees. 2. A. read B. cleaned C. touched D. saw
A根据下文叙述纸上的内容可知作者仔细看了看(read)这张纸, 故选A。
3. A. report B. decision C. message D. receipt
D最后一段的They...searched for the receipt给了提示。与receipt是原词复现。The form turned out to be a 3 from the State Motor Vehicle Division, documenting the owners’ 4 of their vehicle’s registration fees. 4. A. development B. payment
C. permission D. planB由空后的their vehicle’s registration fees (过户费)可知填payment。Quickly, I put myself in their 5 and figured:no one would throw this out, 6 if it was current. 5. A. clothes B. hat C. shoes D. shirt
C根据搭配可知, in one’s shoes “处于某人的位置”。
6. A. especially B. occasionally
C. usually D. generally
A根据句意及空后的if it was current,especially在这里表示递进关系。 Although the form had been blown here, where in the busy, 7 parking lot would I find the owner? So I checked the date and noted the name of the 8 , who must be in our town. 7. A. lonely B. narrow C. empty D. crowded
D由于空前的busy也是修饰后面的parking lot, 因此这里填crowded。crowded与busy是近义词复现。
8. A. guest B. owner C. partner D. host
B根据语境及前句中的find the owner可知。与owner是原词复现。I thought that the best and easiest step to 9 was to put the form in an envelope addressed to the couple and 10 it by post. So I did it. 9. A. have B. get C. take D. bring
C根据搭配,由空前的step可知。take steps “采取措施”。
10. A. sell B. mail C. carry D. fly
B由空后的by post可推出填mail。mail与post是词语同现。 On the weekend, a 11 couple called at my house and brought me a big 12 . 11. A. worried B. disappointed
C. lucky D. happy
D根据语境, 这对夫妇收到了丢失的收据, 自然是很高兴地来登门致谢, 故填happy。从作者的角度来观察, lucky是看不出来的, 因此不能选C。
12. A. surprise B. form C. gift D. joy
C根据常识,登门致谢带来的自然是礼物(gift)。They said they had panicked and searched for the receipt 13 everywhere before giving up. 13. A. quickly B. slowly
C. curiously D. madly D由语境可知, 丢了重要的东西常常会发疯似地(madly)寻找。 Without it they would 14 $8, 000. It felt great to know I’d helped someone 15 a major trouble by doing something which at first glance seemed minor.14. A. drop B. earn C. lose D. get
C根据语境可知这里填lose(损失)。其他选项不合语境。
15. A. avoid B. meet
C. overcome D. defeat
A根据全文内容可知, 作者帮他们避免(avoid)了一桩大麻烦, 故选A。【助读词汇】A. you will become your own food
B. you will know what food is good by its appearance
C. food has an effect on your health
D. you will know the effects of different types of food1. By saying “you become what you eat”, the writer means that ____.C 细节理解题。由此段的下一句When you know the effects of different types of food, you can use your knowledge well and eat what you want to become.可以推断出应选C。 2. What does the underlined word “contradict” mean in the text?
A. Have influence on. B. Help with.
C. Oppose to. D. Benefit from.C 词义猜测题。由下文的两条建议:Eating chocolate makes you fat and gives you spots. Chocolate contains the essential minerals: iron and magnesium.关于chocolate的说法相矛盾。A. To eat chocolate containing the essential minerals.
B. To read the list of ingredients on the package.
C. To get advice from others before eating real chocolate.
D. To learn how much chocolate we can consume before eating.3. How can we eat chocolate properly, according to the passage?B 细节理解题。由文章的第八段的此句可知:We can do this by reading the list of ingredients on the chocolate bar package. A. The food in “Winners” can ensure you to win sports competitions.
B. They might list the nutritional content of their dishes on the menus.
C. Hamburgers will disappear in these restaurants.
D. The Go-faster salad helps you go faster.4. Which is true about the future restaurants?B 细节理解题。由文章的第九段的此两句可知:Their menus will list the benefits of each dish and drink. Some restaurants have already started this concept, and list the nutritional content of their dishes on the menus.A. the junk food companies are changing their brand names
B. biscuit companies are making dried fruit
C. junk food will become healthier than before
D. Cola companies are still making cola5. The concept of eating tasty food will not go out of fashion because ____.C 推理判断题。由文章的最后一段可以推断出。Thank You !