内容正文:
Unit 4 Words and expressions
Learning Objectives
At the end of the class, students will be able to
1. Know the different forms of the following new words: vary, appropriate, approve, employ, differ, favour.
2. Read the words loudly and put them into practice correctly.
Step 1 Lead in
1.Ask students to read the words by themselves.
2.Games: students speak out the Chinese and two students sweep the words on the blackboard.
Step 2 Exercises and Explanations
Task 1: vary vi. 变化;不同 vt.变更;改变
vary with 随着...而变化
vary from 不同于
vary from to 由...到...情况不等
(1)_______________ n. 变化,多样性,种类
a variety of = varieties of 各种各样的
(2) ______________ adj. 各种各样的;多方面的
练习
①People's clothes usually vary ____ the season and taste.
②Generally,pulse rates vary slightly ____ person __ person.
③In these open spaces are numerous plants in _______ stages of growth that attract a _______ of other planteaters.(vary)
Task 2: appropriate adj. 合适的;恰当的
be appropriate for/to 适合……
It is appropriate (for sb.)to do sth.(某人)做某事是合适的。
It is appropriate that sb.(should)do... 某人做……是合适的
(1) ____________ adv. 合适地;恰当地
(2)______________ adj. 不合适的
练习:
①Make sure your message is appropriate ______ each individual.
②Is now appropriate that you _______ (make)a speech?
③She says dressing _____________ (appropriate)for interviews helps applicants feel confident.
Task 3: approve vi.赞成;同意vt.批准;通过
approve of (doing) sth. 赞成/同意……
(1) ______________ n. 赞成,同意;批准,认可
win/earn sb.'s _____________ 得到某人的赞许
(2)______________ v. 不赞成;不同意
(3)______________ adj. 赞许的;认可的
练习:
①I approve of your ________ (try) to earn some money,but please don't neglect your studies.
②By doing well at school he hoped to win his parents' ________ (approve).
③Her mother ____________(not approve) of her going to study in the United States alone.
Task 4: employ vt.雇用;使用;应用;利用(时间、精力等)
employ sb. as/to be... 雇用某人担任……
be employed to do sth. 受雇做某事
(1) ______________ n. 雇员;雇工 _____________ n. 雇主
(2)______________ n. 工作;雇用;从业 ______________n. 失业
练习: