Great Scientists教案

2)he completely _______ conscience.3)she is ________ in responsibility.4) ______ of rest makes her look tired.keys: 1)lacking 2)lacked 3) lacking 4)lack7.         require v.需要；要求；命令

[重點用法]   

require+ n./ pron. /doing sth./ to do sth./that-clause

[典例]

1) this suggestion will require careful thought. 這建議需要仔細考慮。   

2) to carry out this plan would require increasing our staff by 50％.   

執(zhí)行這—計劃需要增加50％的人員。     [練習]用括號里所給詞的適當形式填空。   

1)his health requires that he _____(go)to bed early.   

2)the floor requires _______ (wash).    keys: 1) (should) go  2)washing8.         assist vt./vi.幫助；援助訂.參與，出席

[重點用法]

assist sb. in/with sth.輔助(某人)某事

assist sb.in doing sth.  輔助(某人)做某事

assist sb.to do sth.  輔助(某人)做某事

assist with  幫助(照料，做)；在……上給予幫助

[典例]

1)i am willing to assist you whenever there is an opportunity.

有機會我愿隨時幫你。

2)i'm afraid i can't assist you，you have to go and see the manager.

我恐怕幫不上忙，你得去找經理。

3)the headmaster assists with a lot of things when free.

有空時校長幫忙做了很多事。

4)you will be required to assist mrs.smith in preparing a report.

你將要幫助史密斯夫人準備一份報告。

[練習]  根據句子的意思在括號里填入適當的詞。   

1)the young nurse was very nervous when she ________ in her first operation.   

2)a team of nurses __________ the doctor ________ performing me operation.

3)she employed a woman to _____ her _____ the housework.   

4)good glasses will ________ you _________ read. 

keys: 1)was assisting 2)assisted; in 3) assist; with 4)assist; toⅳ重點詞組  （旨在提供綜合運用所需材料）1. take up  從事；占(時間、空間、注意力、等)；繼續(xù)

 [典例]

1)this table takes up too much room.這張桌子太占地方。

2)she has taken up a job as a teacher.她當上老師了。

3)this chapter takes up where the last one off.  本章繼續(xù)上一章的內容。[短語歸納]

take off脫掉（衣服等）；起飛：打折：作為折扣而減價：

take over接管：獲得對…的控制或管理

take apart拆開：分開后將…分成許多部分

take for把…視作：誤認為

take …for granted認為……是理所當然

take down寫下,記下

take back收回(諾言);

[練習]根據括號里所給的漢語補全句子或翻譯句子。   

1)to keep healthy，professor johnson __________(從事；開始做)cycling as a regular form of exercise after he retired.