新版深圳广州沈阳版牛津英语七年级下Unit6Electricity知识点,语法及练习.docVIP

新版深圳广州沈阳版牛津英语七年级下Unit 6 Electricity Ⅰ. 短语（词组） moment 可数名词, 意为”瞬间;片刻”I’d like to talk to you for a moment. 与moment 相关的短语a moment ago 刚刚;刚才He was here a moment ago. at the moment 现在;此刻He is at home at the moment. wait a moment 等一会儿Wait a moment, please. later 副词,意为”后来;以后”不可数名词没有复数形式，在表示数量时，常用“a+单位量词+of+不可数名词”结构。a piece of meat; a piece of paper; a glass of apple juice; a bag of milk 数词+单位量词+of+不可数名词可数名词复数two glasses of water; three cups of tea; two packets of sweets ; three bags of pencils in a way 在某种程度上 on the way 在路上； in the way 挡道； in this way这边走； by the way 顺便问下 connect 连接… 常用结构: be connected to sth. 连接到…… connect sth. to/with… 把…和…连接起来. Turn on your computer and connect it to the Internet. The railway line connects Wuhan to Shanghai. power station 发电站 washing machine 洗衣机 switch off=turn off 关掉 tidy up 收拾 整理=put away air condition 空调 come into 进入……之内provide sb. with sth. 供应给某人某物The sun provides us with light and heat. “为某人提供某物”还可以用 provide sth. for sb. “as many + 复数名词+as ” 意为”和……一样多的…” I have as many books as you. 我和你有一样多的书. “as much +不可数名词+as” 意为”和…一样多的…” My brother drinks as much milk as I every day. share sth. with sb. 与某人合用/分享某物(1 )“keep + sb. / sth. + 形容词” 意为“让某人/某物保持某种状态”。 (2) keep doing sth. 连续不断地做某事，一直做。强调不断重复的动作。 Li Lei keeps buying books about cars. 李雷不断地买有关车的书。 (3) keep sb./ sth. doing sth. 让某人不断地做某事 (4) keep sb. from doing sth. 阻止某人做某事 We must keep them from getting to know our plans. 我们必须防止他们知道我们的计划。at least 至少ake sure 务必，确信情态动词是一类用于表示说话人的语气和情态的助动词。常表示命令、请求、拒绝、义务、可能、需要等。’t/couldn’t (否定) 1) 表示能力, 意为“能、会”Can you ride a bike? I can’t swim. -- Yes, I can. / No, I can’t. 2) 表示请求或允许，多用于口语中，意为“可以、能”等You can go home now. 现在你可以回家了’t stop your car here. -- Yes, you can. / No, you can’t. 3) 用于否定句、疑问句中，表示猜测、怀疑或不肯定’t be at home now, she went to the park just now. Where can it be? I can’t find my football. 【注意：】 1） could 是can的过去式, 有两种用法, 一种表示过去式；一种用来表达更加客