内容正文:
Unit 7 Teenagers should be allowed to choose
their own clothes.(知识讲解)
Teenagers should be allowed to choose their own clothes.(教材49)
【知识详解 】
allow v. 允许;准许
(1) allow sb. to do sth.允许某人做某事
例句:Tom doesn’t allow her son to play computer games on school nights.汤姆不允许她儿子在上学的夜晚玩电脑游戏。
(2) be (not) allowed to do sth. (不)被允许做某事
例句:Passengers are not allowed to smoke. 乘客不允许吸烟。
(3) allow doing sth.表示“允许做某事”。
e.g. They do not allow smoking in public.他们不允许在公共场合吸烟。
I’m worried about your safety(教材49 1a)
【知识详解】
safety n. 安全;安全性
in safety处于安全的状态。
【拓展】
(1) safe adj. 安全的;无危险的;其反义词是 dangerous adj.危险的。
例句:This place is very dangerous,and you should go to a safe place.
这个地方很危险,你应该到一个安全的地方。
(2) safely adv.安全地
例句:We got to the small island safely finally. 我们最终安全地到达了小岛。
Sixteen-year-olds should be get their ears pierced.(教材49)
【知识点详解】
①sixteen-year-olds 16岁的孩子 (n.)
e.g. They are all sixteen-year-olds.他们都是16岁的孩子。
sixteen-year-old 16岁的 (adj.)
e.g. I have a six-year-old brother.我有一个6岁的弟弟。
②get their ears pierced 穿耳洞 让/使(别人)做某事
此处get用作使役动词,意为"使;让"。get + sth. + 动词的过去分词意为"使某事被做;请别人做某事",动词的过去分词作宾语补足语,它所表示的动作往往是别人做的。此结构中的get也可换成have。
例句:I got my car repaired. 我让人修理了我的小汽车。
【拓展】get sth. done (过去分词) = have sth. done (过去分词)
例句:I get my car mended. = I have my car mended. 我让别人修好我的车。
He should stop wearing that silly earring.(教材50 2a)
【知识点详解 】
①【辨析】stop doing sth. 与 stop to do sth.
stop doing sth.
"停止做某事",指停止正在做的事情
They stopped doing their homework. 他们停止了做家庭作业。
stop to do sth.
"停下来去做某事",指停止正在做的事情去做另一件事
They stopped to do their homework. 他们停下来去做家庭作业。
②辨析wear, put on, dress, (be) in与have on
wear
"穿/戴着",表状态
后接衣帽,也可接饰品、奖章等
The children are wearing nice clothes today. 今天孩子们都穿着漂亮的衣服。
put on
"穿/戴上",表动作
后接衣服、帽子等
Put on warm clothes, or you’ll catch a cold. 穿上暖和的衣服,否则你会感冒的。
dress
"(给……)穿衣服",表动作
宾语只能是人
He dresses himself every morning. 他每天早晨自己穿衣服。
(be) in
"穿着",表状态
后接表示衣服或颜色的名词
The girl in red is his daughter. 穿红色衣服的那个女孩是他的女儿。
have on
"穿/戴着",表状态
后接衣服、帽子等,无进行时
She