中学英语基本词汇语法解析back和bad和baby等
baby ['beɪbɪ] n. [C] ①婴儿; ②幼畜
She dressed the baby for me.她替我给婴儿穿衣。
back [bæk] adv. ①回原处；②在后，向后‖n. ①背部; ②后面；‖adj. 后面的；
He moved the chairs back. 他把这些椅子放回原处。
Face round, please, so that I can cut your hair at the back. 请你转过身去，这样我可以理你后面的头发。
She turned her back to the audience.她转过身背对着观众。
He sits at the back of the classroom.他坐在教室的后部。[at the back of在……的后部]
background ['bækgraʊnd] n. [C, U] 背景，出身，个人背景
He’s always going on about his working class background. 他老是谈论自己出身于工薪阶层家庭。
Without knowing the background the case, I couldn’t possibly comment. 因为不了解案件的背景情况，我不可能加以评论。
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backpack['bækpæk] n [C]背包，旅行包
What’s in your backpack? 你的背包里有什么？
bad [bæd] (worse, worst) adj. ①坏的，不利的；②严重的，厉害的；
He has changed his bad habits. 他已改变了他的坏习惯。
Divorce is bad for children.离婚对孩子不好。[be bad for对……有坏处]
【知识拓展】
反义词：good
badly ['bædlɪ] (worse, worst) adv. ①坏，差；②非常严重地
I slept very badly last night. 昨天夜里我睡得很不好。
badminton ['bædmɪnt(ə) n] n. [U]羽毛球运动
I like playing basketball and badminton. 我喜欢的篮球和羽毛球。
1．When you play football，what________do you play?
A．situation B．place
C．part D．position
2．As part of the exam，the headmaster________a situation to test the students' ability of making decisions.
A．set up B．set out
C．set down D．set about
3．—I suppose that you haven't finished that report yet.
—I finished it yesterday，________.
A．as usual B．as a matter of fact
C．after all D．to be honest
4．He made up his mind to devote his life to ______pollution from______again.
A．preventing；happening B．prevent；happen
C．preventing；happens D．preventing；will happen
5．He is not ______to the position and we’d better get somebody else to do it.
A．fit B．equal
C．good D．interested
6．The Red Army soldiers had to fight________all kinds of difficulties in their fight________the people's freedom.
A．for；for B．with；with
C．against；against D．against；for
7．It is reported that the________in Libya is hotting up.
A．strength B．violence
C．power D．activity
8．Considering his health，I advise him to________an hour or two each day to work out.
A．set about B．set off
C．set up D．set aside
9．My deskmate has difficulty ______spelling some of the words in American English while I have trouble ______pronunciation.
A．with；with B．in；with
C．in；in D．with；in
10．If they________what I was saying，they'd know what I was talking about.
A．took the trouble to listen to
B．had trouble listening to
C．take the trouble to listen to
D．have trouble listening to
