keyong 人教版高中英语必修二unit4单词讲解

Period One
[题组训练] (1)句型转换 She is certain to come. → It’s (2)I
certain that she will come. am quite certain of his success.
我确信他的成功。
Period One
(3)It isn’ t quite A． sure C． exactly
.
他妈妈让他做作业，但是他没有回应。 (3)Our country has set up many natural reserves wildlife’ s needs. 为回应野生动植物的需求，我们国家已经建立了许多自然保护区。
in response to
8
4 relief n (痛苦、忧虑）的减轻、消除 v,relieve 减轻缓解 in relief 如释重负 松了口气 with relief 叹口气 to one's relief 令某人感到欣慰的是 to one's amazement relieve sb of sth 使某人减轻… 翻译 Seeing the lost children, the mother was in relief. 拓展 It is a great relief to do sth ....... 感到极大的安慰(U)
Period One
[题组训练] 用 contain， include 的适当形式填空 (1)This little book contains all the information that you need. (2)I have to prepare food for seven people including me. (3)The pill contains vitamins. (4)She was unable to contain her excitement. (5)Everyone laughed， me included.
8.affect vt. 影响 感动 侵袭 感染 n .影响；效果 affect/move sb to tears把某人感动的掉泪 be greatly effected /moved很受感动 be affected with high fever 发高烧 Have an effect on 对…有影响=affect in effect实际上；事实上 side effect副作用 take effect开始起作用；见效 without effect没有效果 come into effect开始实施；生效 bring/carry...into effect使……生效
Eg.This drink doesn’t contain any alcohol. The ottle contains two litres(升). The hall can contain 500 people.
Period One
11
contain/include (1)contain 表示包含所含之物的全部，还指某种物质中含有某成 分或含有其他物质。另外， contain 还有 “克制，抑制”之意。 (2)include 意为“包含；连„„在内；计入，算入；包括” ，指 作为整体中的一部分而被包括进去，在句中常构成分词短语 sb./sth.included 或 including sb./sth.。 I can include you in the list.
of
the heavy work.
(4)His funny words made all the people present burst into
Those who suffer from headache will find they get _____ from this medicine. A. relief B. safety C. defense D. shelter 【点拨】 选A。题意：那些头痛的人会发 现这种药物能减轻疼痛。relief 符合题 意。safety安全；defense防御，防护； shelter遮蔽，庇护。
relief from sth.
减轻……
e.g. The drug gives some relief from pain. 这种药可以减轻一些
痛苦。
9
• • • • • • • • 5.mercy n 仁慈 宽恕 怜悯 merciful adj.仁慈的 mercifully adv.仁慈地 merciless adj 毫不怜悯的；残忍的 ask/beg for mercy 请求宽恕 show mercy to sb =have mercy on sb 宽恕 怜悯 without mercy 残忍地 at the mercy of sb 任由某人控制或摆布 Without mercy 残忍地
D
that he will be present at the meeting.
B． certainly D． certain
解析 句意为： 不很确定他将出席这次会议。 当 it 作形式主语， that 引导主语从句时， 主句中的表语只能用 certain， 不能用 sure。
7． It contains a powerful drug which affects mosquitoes. 它含有一种强效的药物可以防止蚊虫叮咬。 [归纳拓展] contain vt.包含；容纳；容忍 contain oneself 克制自己 contain one’s excitement 抑制住某人的兴奋 container n．容器；集装箱
即学即用
(1)现在的英语与500年前的英语已大不相同，有一些甚至会在今
后完全消失。 The English of today is very different from the English of 500 years ago.In time,some even die out completely. (2)随着汽车越走越远，马达声渐渐消失。 died away The sound of the engine as the car drove into the distance.
即学即用
(1)失业率日渐升高引起了他的注意。
He drew attention to the rising unemployment.
(2)Most attention must be paid ____the endangered c animals. A protect B to protect C to protecting D proteting
to
at
on
without mercy.
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6.certain adj.确定的；某一；一定certainly adv.当然；确定 (1)for certain 无疑地 确定地 be certain to do sth 一定会做某事 be certain of/about sth 对某事有把握 be certain that确信…… It is certain that 对....有把握(不能用sure ) make certain that 弄清楚 弄明白 (2)make sure of sth./doing sth.把……弄清楚；确保 make sure that...务必；确保 be sure of (about) sth./doing sth.表示“确信”，指句子的主 语对某事有信心。 be sure to do sth.表示“一定会做某事”，指说话者对某事有 信心或命令别人做某事。
Period One
[题组训练] 用适当的介词填空 (1)Antonio was so merciful that he even showed mercy Shylock. (2)Having lost the engine’ s power，the boat was now the mercy of the wind. (3)She is a kindhearted woman and often has mercy people who are in trouble. (4)The cruel man killed the injured dog
4.
die out 家族种族灭绝；习俗观念消失 The old custom died out many years ago. 拓展： die away 声音 风 光等渐渐消失 die down 情绪逐渐平息 die off 相继死亡 草木先后枯死 be dying/eager for 很想要 渴望=long for be dying /eager to do sth 极想干某事=long to do sth
10.appreciate vt 欣赏 鉴赏 感激 意识到 n. appreciaton 欣赏 鉴赏 感激 • appreciate doing sth 感激做某事 • appreciate one’s doing sth 感激某人做某事 • I would appreciate it if …假如…我将不胜感激 • Eg. His works were not appreciated until after his death. • 直到他死后他的作品才受到重视。 • I’d appreciate some help. • 如果有人帮忙我将非常感激。
5.
2.loss 损失 遗失 丧失 lose lost lost sufffer a a great loss 遭受重大损失 at a loss 不知所措 make up for a loss 弥补损失 lose one’s way 迷路 be lost in 沉迷于，埋首 Eg. The company suffer a great loss as a result of that mistake.
•
[题组训练 ] 用适当的介词填空 (1)She leaned back (2)
in
relief after she heard the news that
she had passed the exam.
To
our relief ，she was rescued.
(3)Their coming to help relieved us laughter.
3 respond vi. 回答 回应 做出反应=reply respond to 回答 回应 对...做出反应; 回信 respond to one's letter n. response in response to 对......回应 make a quick reaponse to对......作出快速反应im Eg. I offerd him a drink but he didn’t respond to me .
n.注意力；注意，留心
。
pay/give attention to (doing sth.)注意
attract/catch/draw/get one’s attention吸引某人的注意力 distract one’s attention 分散某人的注意力 fix/focus one’s attention on集中注意力于 devote one’s attention to专心于 turn one’s attention to将注意力转向
[题组训练] (1)His disease failed applied. 他的病对医生用的新药没有任何反应。 (2)His mother asked him to do his homework but
to respond to the new drugs
the doctor
he didn’t
respond to it

• As a matter of fact, your opinion will not affect my decision. • Most people present at the meeting were deeply affected by his speech.
9.attention