一、选出下面单词中画线部分读音不同的一项。
☆ 错题整理
()1. A. cheek B. each C. chopstick D. schoolmate
()2. A. embarrassed B. married C. hanged D. stayed
()3. A. unless B. elbow C. secondly D. security
()4. A. jeans. B. great C. meat D. heating
()5. A. correct B. horse C. course D. informal

1.D 2.A 3.D 4.B 5.A

1. 选项A、B、C中画线部分ch的发音为/tʃ/，选项D中ch的发音为/k/，故选D。2. 选项B、C、D中画线部分ed的发音为/d/或/ɪd/，选项A中ed的发音为/t/，故选A。3. 选项A、B、C中画线部分e的发音为/e/，选项D中e的发音为/ɪ/，故选D。4. 选项A、C、D中画线部分ea的发音为/iː/，选项B中ea的发音为/eɪ/，故选B。5. 选项B、C、D中画线部分or的发音为/ɔː/，选项A中or的发音为/ə/，故选A。

二、将下面方框中的单词按画线部分的读音分类。

1. /ɪ/
2. /aɪ/
3. /æ/
4. /ɪə/

1. /ɪ/：embarrass, improper；2. /aɪ/：private, nicely；3. /æ/：congratulate, marry；4. /ɪə/：engineer, cheers

先确定方框内各单词画线部分的读音，再按题目要求的音标分类：
单词embarrass的画线e、improper的画线i发音为/ɪ/；
单词private的画线i、nicely的画线i发音为/aɪ/；
单词congratulate的画线a、marry的画线a发音为/æ/；
单词engineer的画线eer、cheers的画线ers发音为/ɪə/。

一、从方框中选出恰当的单词并用其适当形式填空。
proper unless cultural serve private
correct unsafe receive main firstly
1. , we should learn to be polite when talking with others.
2. We must use the Internet in a(n) way to keep away from danger.
3. It is to swim alone in the river.
4. There are many differences among different countries.
5. We will never make progress we keep learning and trying.
6. Many young people like to in the community and help people in need.
7. Everyone has their own space and we should respect it.
8. The purpose of reading is to open our minds and improve ourselves.
9. I am happy to more care and love from my teachers and classmates.
10. Please speak in a(n) and clear way when you give a speech in public.

1. Firstly 2. proper 3. unsafe 4. cultural 5. unless 6. serve 7. private 8. main 9. receive 10. proper

本题考查方框中单词的适当形式填空，需结合句意、词性及语境选择合适的词，注意词形变化（如句首大写、动词原形等）：
1. 句首表“首先”，用Firstly；
2. 修饰名词way，表“合适的”，用形容词proper；
3. 作表语表“不安全的”，用形容词unsafe；
4. 修饰名词differences，表“文化的”，用形容词cultural；
5. 引导条件状语从句表“除非”，用连词unless；
6. like to后接动词原形，表“服务”，用serve；
7. 修饰名词space，表“私人的”，用形容词private；
8. 修饰名词purpose，表“主要的”，用形容词main；
9. be happy to后接动词原形，表“收到”，用receive；
10. 修饰名词way，表“恰当的”，用形容词proper。