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1、重点单词讲解1. couplecouple作名词，意为“一对；两个”。它常用于固定短语 a couple of，表示“两个”。如：She has a couple of friends at school. 【链接】couple与pair这两个名词均有“一对；两个”之意。couple多指在一起或彼此有关系的两个人或两个同样的事物；pair含义广泛，可指人或物，用于物时，指两个互属的事物，缺此或失彼都会失去使用价值，或指由相对称的两部分构成的一件东西。如：I found a couple of socks in the bedroom but they dont make a pair.【运用】
2、根据汉语意思完成英语句子，每空一词。(1) 汤姆常穿一双红色的鞋。Tom often wears _ _ _ red shoes. (2) 她已经在那儿呆了两个小时。She has stayed there for _ _ _ hours. 2. orderorder可以作名词表示“命令；指示”，此时是可数名词。如：They received orders to start at once. We should obey the orders of the teacher. 【拓展】order还常用作动词，表示“命令；订购；点（酒菜等）”。如：The police ordered them t
3、o wait right there. I have ordered two copies of that book. He ordered a cup of coffee. 【运用】判断下列各题中黑体词的词性及含义。(1) I have ordered some new clothes on the Internet. _(2) What have you ordered?Pizza and salad. _(3) She took orders only from the king._3. turn offturn off意为“关掉；关闭（设备）”，主要指关灯、电视、电脑、自来水、煤气等。
4、turn off可与名词和代词连用：与名词连用时，名词可放在turn off之后，也可放在turn和off之间；与代词连用时，代词只能放在turn和off之间。如：Jenny turned the computer off/ turned off the computer.The TV is too noisy. Can you turn it off ?【链接】与turn off相关的短语有turn on(打开)，turn up(把调高)，turn down(把调低)。如：Can you help me turn on the TV?Please turn down your radio.
5、【运用】(1) 根据汉语意思完成英语句子，每空一词。离开教室时请关灯。Please _ _ the lights when you leave the classroom. (2) 从题后所给的四个选项中选择可以填入空白处的最佳答案。( ) Please _ the water when you brush your teeth.A. take down B. turn upC. take away D. turn off( ) Its getting dark. Please _ the light. A. turn on B. turn off C. turn down D. turn a
6、round4. So am I. 这是一个倒装句。“So+系动词 / 助动词 / 情态动词+主语”这一句型表示前者的肯定情况也适用于后者。如：Lucy can swim. So can I. 【拓展】当前者的否定情况也同样适用于后者时，用句型“Neither+系动词 / 助动词 / 情态动词 + 主语”来表示。如：I have never been to Shanghai.Neither has my brother.【运用】从题后所给的三个或四个选项中选择可以填入空白处的最佳答案。( )(1) Lily and I will go to the old peoples home this w
7、eekend._. Can I join you? A. So will I B. So I will C. So do I( )(2) Mary likes playing baseball very much._. A. So does Amy B. So Amy isC. So Amy does( )(3) Im not going swimming tomorrow afternoon._. I have to clean up my bedroom. A. So am I B. Neither am I C. Neither I am D. So I am参考答案1. (1) a pair of (2) a couple of 2. (1) 动词；订购 (2) 动词；点(3) 名词；命令3. (1) turn off (2) - DA4. (1)-(3) AAB
