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一、选出下面单词中画线部分读音不同的一项。
()1. A. tooth B. toothache C. food D. foot
()2. A. throat B. goat C. boat D. board
()3. A. cough B. house C. about D. outside
()4. A. harm B. quarter C. farmer D. cart
()5. A. description B. suggestion C. station D. conversation
()1. A. tooth B. toothache C. food D. foot
()2. A. throat B. goat C. boat D. board
()3. A. cough B. house C. about D. outside
()4. A. harm B. quarter C. farmer D. cart
()5. A. description B. suggestion C. station D. conversation
答案
1.D 2.D 3.A 4.B 5.B
解析
1. 各选项画线部分读音：A tooth /uː/，B toothache /uː/，C food /uː/，D foot /ʊ/，读音不同的是D。2. A throat /əʊ/，B goat /əʊ/，C boat /əʊ/，D board /ɔː/，读音不同的是D。3. A cough /ɒ/，B house /aʊ/，C about /aʊ/，D outside /aʊ/，读音不同的是A。4. A harm /ɑː/，B quarter /ɔː/，C farmer /ɑː/，D cart /ɑː/，读音不同的是B。5. A description /ʃn/，B suggestion /tʃən/，C station /ʃn/，D conversation /ʃn/，读音不同的是B。
二、将下面方框中的单词按画线部分的读音分类。
1. /eɪ/
2. /aɪ/
3. /θ/
4. /iː/
1. /eɪ/
2. /aɪ/
3. /θ/
4. /iː/
答案
1. /eɪ/：aid, flame, safety, headache；2. /aɪ/：knife, brightness；3. /θ/：three, throw；4. /iː/：fever, bleed
解析
根据单词画线部分的读音，将方框内单词分类如下：
1. 画线部分发/eɪ/的单词：aid、flame、safety、headache；
2. 画线部分发/aɪ/的单词：knife、brightness；
3. 画线部分发/θ/的单词：three、throw；
4. 画线部分发/iː/的单词：fever、bleed。
1. 画线部分发/eɪ/的单词：aid、flame、safety、headache；
2. 画线部分发/aɪ/的单词：knife、brightness；
3. 画线部分发/θ/的单词：three、throw；
4. 画线部分发/iː/的单词：fever、bleed。
一、根据句意用括号内所给单词的适当形式填空。
1. Getting enough sleep every day can avoid most (ill) and help us stay healthy.
2. A clear (describe) of your symptoms（症状）helps doctors treat you well.
3. Regular health (test) can help us find physical problems early.
4. For your dental health, you should (brush) your teeth twice a day.
5. AI systems can help (patient) describe how they feel.
6. Eating too much (fry) food is not good for our health.
7. The turtle swam (happy) back to the sea after three weeks of medical care.
8. All the passengers must go through (safe) checks before they take a plane.
9. The boy cried (sad) because of his dog's death.
10. My classmates used fire extinguishers to put out the (flame) in the lab without panic yesterday.
1. Getting enough sleep every day can avoid most (ill) and help us stay healthy.
2. A clear (describe) of your symptoms（症状）helps doctors treat you well.
3. Regular health (test) can help us find physical problems early.
4. For your dental health, you should (brush) your teeth twice a day.
5. AI systems can help (patient) describe how they feel.
6. Eating too much (fry) food is not good for our health.
7. The turtle swam (happy) back to the sea after three weeks of medical care.
8. All the passengers must go through (safe) checks before they take a plane.
9. The boy cried (sad) because of his dog's death.
10. My classmates used fire extinguishers to put out the (flame) in the lab without panic yesterday.
答案
1. illnesses 2. description 3. tests 4. brush 5. patients 6. fried 7. happily 8. safety 9. sadly 10. flames
解析
本题考查八年级英语Unit2的词性转换及固定搭配，需结合句子结构、语法规则变形：1. most后接可数名词复数，ill的名词形式为illness，复数是illnesses；2. a clear后接名词，describe的名词是description；3. 此处需名词作主语，test为可数名词，用复数tests；4. should后接动词原形，故用brush；5. help后接宾语，patient为可数名词，泛指用复数patients；6. 修饰food用形容词，fry的形容词是fried；7. 修饰动词swam用副词，happy的副词是happily；8. safety checks是固定搭配，用名词safety作定语；9. 修饰动词cried用副词，sad的副词是sadly；10. flame是可数名词，此处指火焰，用复数flames。
