Unit 5 课时1 词汇-【宝典训练】2023-2024学年七年级下册英语高效课堂课件（沪教牛津版）

Unit 5　Water 课时1　词汇 目 录 01 课时精讲 02 课时过关 01 课时精讲 重点词汇学习 1．voice n. 嗓音　如： It is well-known that the singer has a good voice. 众所周知，这名歌手有个好嗓音。 【辨析】sound，voice，noise的区别和用法 (1)sound n. 声音；响声；v. 听起来，后面跟形容词。sound like表示“听起来像……”，后面跟名词或名词短语。如： Your idea sounds like a good one. 你的主意听起来像一个好主意。 第 ‹#› 页 课时1　词汇 返回目录 (2)voice n. 嗓音，指人的说话声或唱歌声。如： “Turn that tap off，” said an angry voice. “把水龙头关掉，” 一个声音很生气地说。 (3)noise n. 噪音；吵闹声　如： Don't make any noise in class. 不要在课堂上吵闹。 【例题】(　　) Be quiet! Don't make a __________ in class. A．sound B．voice C．noise C 第 ‹#› 页 课时1　词汇 返回目录 2．angry adj. 生气的 angry 的比较级： angrier/more angry；最高级： angriest/(the)most angry; angry 的副词形式： angrily 第 ‹#› 页 课时1　词汇 返回目录 【搭配】①be angry with /at sb. 生某人的气； be angry with/at sb. about/for sth. 因为某事生某人的气　如： I was angry with him for keeping me waiting. 我对他很生气，因为他让我一直等。 ②be angry at/about/over sth. 为某事生气　如： I am angry at what he has done. 我为他所做的事生气。 ③get angry He is easy to get angry. 他很容易发怒。 第 ‹#› 页 课时1　词汇 返回目录 【例题】(　　) My mom was so angry __________ me __________ my poor performance. A．with; for B．with; in C．to; of A 第 ‹#› 页 课时1　词汇 返回目录 3．remember v. 记住 (1)remember to do sth. ＝ do not forget to do sth. 记着做某事　如： Remember to finish the homework on time. ＝ Do not forget to finish the homework on time. 记着按时完成作业。 (2)remember not to do sth. 记得别做某事 remember/forget doing sth. 记得/忘记做过某事 【例题】(　　)Remember __________ goodbye to him when you leave. A．to say B．Saying C．say A 第 ‹#› 页 课时1　词汇 返回目录 4．fresh fresh adj. 新鲜的；新的(＝new; unused)；淡水的(＝unsalty) 如： These foods include fresh fruits and vegetables. 这些食物包括新鲜水果和蔬菜。 There were no fresh car tracks or footprints in the snow. 雪地里没有留下新的车辙或脚印。 比较级：fresher 　最高级：freshest 第 ‹#› 页 课时1　词汇 返回目录 【例题】(　　) People get up early and go out to breathe in some _____ air. A．thin B．cold C．fresh C 第 ‹#› 页 课时1　词汇 返回目录 5．salt n. 盐　如： Salt water is more buoyant than fresh water. 盐水比淡水浮力大。 【拓展】salt vt. ＝ put salt on/in (food)to season it 加盐于……以调味；用盐腌 第三人称单数：salts 　过去式：salted 　过去分词：salted 　现在分词：salting　如： The soup is tasteless. You'd better salt it with a little salt. 汤没有什么味道，最好再加点盐。 第 ‹#› 页 课时1　词汇 返回目录 【同根词】salty 　adj. 含盐的；咸的　如： They drank sweet water after drinking the salty seawater. 在不小心灌了点咸海水后，他们喝了些甜水。 【例题】(　　) This dish is too bland (无滋味的)，so I need to add some __________ to it. A．Sugar B．Salt C．oil B 第 ‹#› 页 课时1　词汇 返回目录 6．change n. 零钱；找头；变化；改变；交换　如： After shopping, little Tom was happy to get some change. 购物后，小汤姆很高兴得到一些找的零钱。 Do you see the changes in the school？ 你看到这所学校的变化了吗？ 【例题】(　　) She meant to buy a packet of sweets so that she could get some __________ from the owner for the bus fare. A．money B．gifts C．change C 第 ‹#› 页 课时1　词汇 返回目录 7．return (1)return v. 归还 过去式： returned 　过去分词： returned 　现在分词： returning　第三人称单数： returns　如： We must return to Dalian within three days. 我们必须在3日内回到大连。 What time does your husband return home from work？ 你丈夫什么时候下班回家？ (2)return n. 归还；返回；(收益)回报　如： I'm afraid I have to insist on the return of my books at once. 对不起，我要求你立即归还我的书。 第 ‹#› 页 课时1　词汇 返回目录 【例题】(　　) Bob misses his mother so much that he will surely ______ home very soon. A．Returned B．return C．return to B 第 ‹#› 页 课时1　词汇 返回目录 8．continue continue v. ＝ to keep existing or happening without stopping 继续 ＝ to keep doing sth. without stopping 继续做；不停地干 过去式： continued 　过去分词： continued 　现在分词： continuing 　第三人称单数：continues　如： The exhibition continues until July 25th. 展览要持续到7月25日。 She wanted to continue working until she was 60.她想要继续工作到60岁。 第 ‹#› 页 课时1　词汇 返回目录 【例题】(　　) Grace continued ________ her homework after her good friend was gone. A．to do B．do C．to doing A 第 ‹#› 页 课时1　词汇 返回目录 9．drop drop n. ＝ a very small quantity of liquid that forms a round shape 滴　如： Just mix one drop of it with milk. 只要在牛奶里加入一滴就行了。 【拓展】drop v. ＝ fall 落下；跌倒　如： He dropped off from his bike. 他从自行车上跌下来。 I decided to drop Chemistry and take Biology instead. 我决定放弃化学，改学生物。 第 ‹#› 页 课时1　词汇 返回目录 【例题】(　　) He is so afraid to __________ the horseback that he does not dare to ride his friend's horse. A．break off B．drop off C．switch off B 第 ‹#› 页 课时1　词汇 返回目录 10．turn off 关掉；转向 如： Please turn off the TV because the noise will distract the children from their homework. 请把电视机关掉，因为噪音会使孩子们分心，不能专心做作业。 The truck turned off the main road. 卡车驶离大路。 第 ‹#› 页 课时1　词汇 返回目录 【辨析】turn on (＝switch on), turn off (＝ switch off), turn up, turn down的区别和用法 turn on 意思是“打开(电器等)”；turn off 意思是“关闭(电器等)”；turn up 意思是“调高(音量等)”；turn down 意思是“调低(音量等)”　如： Can you turn down the TV a bit？ 你能把电视调低一点声音吗？ Turn off the light when you leave the room. 当你离开房间时要关灯。 He asked me to turn on the radio. 他让我打开收音机。 I can't hear the radio very well. Could you turn it up a bit？ 收音机我听不太清楚， 你把声音开大点行吗？ 第 ‹#› 页 课时1　词汇 返回目录 【例题】(　　) —Would you please __________ the air conditioner？ There is no need to let it work at all in such pleasant weather. —OK. A．turn down B．turn up C．turn off C 第 ‹#› 页 课时1　词汇 返回目录 11．a bit 有点；一点 如： The coin was a bit dirty. 这枚硬币有点脏。 【辨析】a bit，a little的区别和用法 (1)a bit “一点点，有点”＝ a little, a bit可以修饰形容词，也可以作为副词使用。如： They have got a bit tired. 他们有点累。 Can you wait a bit for us？ We're in heavy traffic. 你能等下我们吗？我们这边现在在堵车。 第 ‹#› 页 课时1　词汇 返回目录 (2)后接名词时，a bit后需加of；a little不必加of。“一点水”可以说“a little water”或“a bit of water”。如： I have got a little/a bit of shopping to do. 我得去买点东西。 (3)在否定句中两者意思完全不一样：not a bit(＝ not at all)“一点也不”；not a little“很”。如： I am not a bit tired. 我一点也不累。 I am not a little tired. 我非常累。 第 ‹#› 页 课时1　词汇 返回目录 【例题】(　　) Tony gets ________ sick of the same dish after he eats it for a week. A．a bit B．few C．a little of A 第 ‹#› 页 课时1　词汇 返回目录 12．cover (1)cover v. 覆盖　如： Water covers about two thirds of the Earth. 水覆盖了地球约三分之二的面积。 Snow covered the ground. 雪覆盖了大地。 (2)cover n. 封皮；封面　如： This book has a beautiful cover. 这本书的封面很好看。 Her face was on the cover of every magazine. 各种杂志的封面都有她的头像。 第 ‹#› 页 课时1　词汇 返回目录 【搭配】cover sth. with sth. 用某物把某物遮盖　如： He covered her mouth with his hand. 他用手捂住了她的嘴。 be covered by/with 被……覆盖　如： In winter, the lake is covered by ice. 冬天，湖面被冰覆盖着。 【例题】 He can not help __________ his face ______ his hands. 他情不自禁地用双手盖住了自己的脸。 covering with 第 ‹#› 页 课时1　词汇 返回目录 13．be made up of 由……组成 如： Our class is made up of six groups. 我们班是由六个小组组成的。 (1)be made up of由……构成或组成的。指人、物皆可，指结构成分。 The United States is made up of more than fifty states. 美国是由五十多个州组成的。 (2)be made into制成为…… 如： The material will be made into a dress. 这块料子将做成一条连衣裙。 【例题】 It is obvious that the picture is ______ ____ ____ seven parts. 很明显，这幅图是由七个部分组成的。 made up of 第 ‹#› 页 课时1　词汇 返回目录 02 课时过关 一、按要求写出下列单词的相应形式 1．drop(过去式) ___________ 2．journey(近义词) ______________ 3．quantity(复数) ____________ 4．experiment(复数) _____________ 5．salt(形容词) _____________ 6．add(名词) ___________________ 7．valuable(名词) ___________ 8．continue(形容词) _____________ 9．travel (过去式) ___________ 10．waste (现在分词) ____________ dropped trip quantities experiments salty addition value continuous travelled wasting 第 ‹#› 页 课时1　词汇 返回目录 二、用所给单词的适当形式完成句子。 1．It's time for us _______ (go) dancing. 2．Remember not ________ (add) too much sugar. 3．—Is the sea water _________ (drink)？　　—No. It's too salty (咸的) 4．This is a story about a girl _________ (talk) to a cat. to go to add drinkable talking 第 ‹#› 页 课时1　词汇 返回目录 5．Boys often like doing Maths problems, because they like _________ (number)． 6．We students should learn how _________ (save) water. 7．I have been lucky enough ________ (visit) many parts of the world. 8．If you push the button, the machine will stop _________ (work)． 9．It is not easy for us _________ (find) clean and fresh groundwater. 10．I washed the desk _________ (make) it clean. numbers to save to visit working to find to make 第 ‹#› 页 课时1　词汇 返回目录 三、完形填空 We may learn from the news that the world is hungry. Many people in poor areas don't have enough food to eat. In fact, our world is also 1 . We are still short of water though water covers 2 3/4 of the Earth. About 97% of water on the Earth is seawater and we can't drink it or use it to water 3 directly (直接地). People can only drink and use the other 3% of the water from rivers and lakes. What's worse, we can't use all of that because of water 4 . 第 ‹#› 页 课时1　词汇 返回目录 (　　)1．A．hungry B．thirsty C．tired D．sleepy (　　)2．A．hardly B．really C．nearly D．usually (　　)3．A．flowers B．grass C．trees D．plants (　　)4．A．problem B．pollution C．energy D．power B C D B 第 ‹#› 页 课时1　词汇 返回目录 Now we are facing a serious problem — we need more water. First, we need to learn how to save water. Then we need to 5 ways to reuse water. Scientists have made a lot of studies. The 6 show that in many large cities and small villages, people 7 use water only once and then it runs to the sea or rivers. So we can reuse water. Last but not least, we should make full use of the seawater. Scientists are trying to solve the problem — 8 clean water from seawater. What we can do now is to 9 water and not to waste water. We cannot live long without 10 clean water. So let's work together to do something. 第 ‹#› 页 课时1　词汇 返回目录 (　　)5．A．look after B．care for C．learn about D．find out (　　)6．A．reports B．questions C．answers D．programmes (　　)7．A．still B．never C．seldom D．all (　　)8．A．carrying B．catching C．getting D．using (　　)9．A．save B．make C．produce D．return (　　)10．A．natural B．complete C．convenient D．enough D B A C A D 第 ‹#› 页 课时1　词汇 返回目录 本节内容到此结束！ logo $$