選修七英語Unit 4 Sharing
1) the farmers pumped water to their fields to stop the soil ________.2) the pool ________ in the late autumn.3) the villagers had to wait for the sun to _________ the dirt road.4) don’t leave the vegetable on the table, or it will ________.keys: 1) drying out 2) dries up 3) dry up 4)dry out3) otherwise/therefore/however【解釋】otherwise否則；不然therefore adv.因此, 所以however無論如何, 可是【練習(xí)】選擇otherwise/therefore或however并用其適當(dāng)?shù)男问教羁?) he didn't work hard at english_______ he wouldn't find it difficult to learn now. 2) we do not have enough money._________we cannot afford to buy the new car. 3) the first part was easy；the second，________，took hours. 4) he is noisy， but ________a nice boy.5) we were going to play football，but it was so hot that we decided to do_____________.keys: 1)otherwise 2)therefore 3)however 4) otherwise 5)otherwiseiii 詞性變化 （旨在提供語法填空所需材料）1. operate v. 操作, 動手術(shù)operator n. 操作員, (電話)接線員,operation n. 運(yùn)轉(zhuǎn), 操作, 實施2. donate v. 捐贈, 贈予donation n. 捐贈品, 捐款, 貢獻(xiàn)3. arrange v. 安排, 排列,arrangement n. 排列, 安排4. adjust v. 調(diào)整, 調(diào)節(jié)adjustable adj.可調(diào)整的adjustment n. 調(diào)整, 調(diào)節(jié), 調(diào)節(jié)器5.participate v. 參與,分享, participant n. 參與者,participation n. 分享, 參與【練習(xí)】根據(jù)句子結(jié)構(gòu)，用括號內(nèi)所提供詞的適當(dāng)形式填空1) they encouraged the _______ to _______ in the singing performance after the contest..(participate)2) the doctor are ________ on an ______ of a factory who got injured when _______a machine, and the ________ is said to last over ten hours.(operate)3) the seats in the plane are ________ , and you can ________ them to a certain angle. the ______ is not difficult to make. (adjust)4) the drinks were ________ to them by coca cola company and they received _______from other companies as well. (donate)5) our department will be in charge of _______the conference. would you please give us some suggestions on the _______ for it? (arrange)keys:1) participants; participate 2) operating; operator; operating ; operation 3) adjustable; adjust; adjustment 4) donated; donation 5) arranging; arrangementiv 重點詞匯 （旨在提供綜合運(yùn)用所需材料）1. adjust vt.&vi.調(diào)整；使適合.[重點用法] adjustment n. 調(diào)整；修正adjustable adj. 可調(diào)節(jié)的；可調(diào)整的adjust(sth./oneself)(to sth.)使適應(yīng)；適應(yīng)。注意：該詞作不及物動詞時，其意思是“適應(yīng)于”，后常跟介詞to。[典例] 1) i usually adjust my watch before i go to work in the morning.我通常早上上班前校準(zhǔn)我的表.