一、Listen and choose. 小火车马上就要开动了。请你听一听,将下列单词安置在相应的车厢里吧。(填序号)

A.three
B.there
C.these
D.thin
A.three
B.there
C.these
D.thin
答案
1. B 2. C 3. A 4. D
二、Read and sort the words. Yuanyuan 正在介绍自己的弟弟。请你读一读,将画线单词按字母组合 th 的读音分类,并帮助它们找到自己的家吧。
Look! This is my brother Xiangxiang. He is thin. He has two big eyes and a small mouth. Today is his birthday. He is three years old. My father cooks some nice food. My mother buys him new clothes. I give him a storybook. He is happy.

Look! This is my brother Xiangxiang. He is thin. He has two big eyes and a small mouth. Today is his birthday. He is three years old. My father cooks some nice food. My mother buys him new clothes. I give him a storybook. He is happy.
答案
1. This, brother, father, mother, clothes
2. thin, mouth, birthday, three
2. thin, mouth, birthday, three
解析
【分析】
首先明确英语中字母组合th有两种核心读音:清辅音/θ/和浊辅音/ð/。解题时,先回忆th的发音规则,再逐个判断画线单词中th的读音,最后按读音将单词分为两类即可。
【解析】
逐个分析画线单词中th的读音:
1. This:th发音为/ð/,归为浊辅音类;
2. brother:th发音为/ð/,归为浊辅音类;
3. father:th发音为/ð/,归为浊辅音类;
4. mother:th发音为/ð/,归为浊辅音类;
5. clothes:th发音为/ð/,归为浊辅音类;
6. thin:th发音为/θ/,归为清辅音类;
7. mouth:th发音为/θ/,归为清辅音类;
8. birthday:th发音为/θ/,归为清辅音类;
9. three:th发音为/θ/,归为清辅音类。
因此分类结果为:
浊辅音类:This, brother, father, mother, clothes;
清辅音类:thin, mouth, birthday, three。
【答案】
1. This, brother, father, mother, clothes
2. thin, mouth, birthday, three
【知识点】
字母组合th的读音辨析
【点评】
本题考查英语中字母组合th的两种基础发音,是语音知识的基础题型,需要学生掌握th在不同单词中的发音规则。
【难度系数】
0.3
首先明确英语中字母组合th有两种核心读音:清辅音/θ/和浊辅音/ð/。解题时,先回忆th的发音规则,再逐个判断画线单词中th的读音,最后按读音将单词分为两类即可。
【解析】
逐个分析画线单词中th的读音:
1. This:th发音为/ð/,归为浊辅音类;
2. brother:th发音为/ð/,归为浊辅音类;
3. father:th发音为/ð/,归为浊辅音类;
4. mother:th发音为/ð/,归为浊辅音类;
5. clothes:th发音为/ð/,归为浊辅音类;
6. thin:th发音为/θ/,归为清辅音类;
7. mouth:th发音为/θ/,归为清辅音类;
8. birthday:th发音为/θ/,归为清辅音类;
9. three:th发音为/θ/,归为清辅音类。
因此分类结果为:
浊辅音类:This, brother, father, mother, clothes;
清辅音类:thin, mouth, birthday, three。
【答案】
1. This, brother, father, mother, clothes
2. thin, mouth, birthday, three
【知识点】
字母组合th的读音辨析
【点评】
本题考查英语中字母组合th的两种基础发音,是语音知识的基础题型,需要学生掌握th在不同单词中的发音规则。
【难度系数】
0.3
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