Unit 2 How often do you exercise期末知识梳理、习题加练、考点讲解练习

Unit 2 How often do you exercise？ how often 意为“多久一次”。 常常对every day ,always,usually,sometimes,often,hardly ever, never, once a week, twice a month 等表示频度的副词或短语进行提问。 例： --How often do you read books? --Every day. --How often does Mary go shopping? --Once a week. 中考链接：--_____ do you go to movies? --Twice a month. A How often B Haw far C How long D How soon 补充：有关how引导的特殊疑问词： 英文词组 汉语意思 英文词组 汉语意思 how old how many how soon how much how long how far 2.help： help sb.(to) do sth意为“帮助某人做某事” Will you please help me (to) water the flowers? ②help sb.with sth意为“帮助某人做某事” She is helping her parents with housework now. ③can’t help doing sth.“禁不住做某事” 中考链接：It was such a funny story that people couldn’t help _____ again and again. read B.to read C.reading 3.sometimes 意为“有时；不时”。 例：I sometimes have to work late . 我有时得工作到很晚。 辨析：sometimes , some time , sometime, some times some time 意为“一些时间”，time 意为“时间”，是不可数名词 sometime “某个时候”，常用于一般将来时 sometimes 意为“有时；不时”，意思与at times 相近，多用于一般现在时 some times 意为“几次；几倍”，time 意为“次，倍”，是可数名词。 例：Take some time to visit him. 抽点时间去看看他吧。 We’ll take our holiday sometime in August. 我们将在8月份的某个时间休假。 Sometimes I go to bed after 12 o’clock at night.有时我晚上12点以后才睡觉。 I have been abroad for some times. 我出国好几次了。 4.be good for，be good to , be good with和be good at 区别 be good for 对......有益 eg：Eating vegetables is good for your health. be good to 对......好 eg：He was good to me when I was ill. be good with善于应付......的 eg：He is very good with children. be good at 擅长 eg：I’m good at playing chess. 例题： I think drinking milk is good_____our health. for B.to C.with D.at 补充：be good for 反义短语 be bad for 5.health健康 eg：Exercise is good for health. 考向一：辨析health和healthy health n. healthy adj. unhealthy 不健康的 考向二：healthy的副词形式为healthily。 魔法记忆：Having a healthy lifestyle is good for our health. eg：We should eat healthily. although 连词，意为“虽然；尽管”，引导让步状语从句，此时可以和though互换。 例：Although he is ill, yet he doesn’t stop working. 尽管他病了，但他没有停止工作。 中考链接： _____the girl is only nine, she takes care of her brothers and cooks meals every day. A If B Because C Although D As 语法知识点详解 频度副词： usually/ sometimes/always/often等词在英文中被称为“频度副词”，是用来表示动作频率的，但程度上有别。常见频度副词按频率大小排列如下： always（100%）>usually（80%）>often（60%）>sometimes（40%）>seldom（20%）>hardly (10%)>rarely（1%）>never（0%） ◆频度副词在句中习惯上位于be动词、助动词等之后，行为动词之前。 1. 在be动词之后。如： She is sometimes very busy. 2. 在第一个助动词或情态动词之后。如： I will never forget this lesson. 3. 在实义动词之前。如： We often go there. 我们常去那儿。 拓展： ◆sometimes也可放在句首、句中或句末，often也可放在句 ... ...