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1.Which of the pair can be distinguished by only one feature?
A./s/,/z/                 B./p/,/d/
C./g/,/h/                 D./I/,j/
2.Which of the following sentences is pronounced with a rise-fall tone?
A.He won't come home for lunch,will he?
B.Have you finished your homework?
C.Are you a student or a teacher?
1.【答案】A。解析:本题考查辅音的分类。英语辅音主要可以从声带振动与否、发音位置和发音方式三个方面进行描述。A项中/s/和/z/发音部位和发音方式均一致,均属于齿龈音、擦音,/s/是清辅音而/z/是浊辅音.B项中/p/和/d/均属于爆破音,/p/属于清辅音、双唇音,/d/属于浊辅音、齿龈音。C项中/g/和/h/二方面的特征描述均不相同,/g/属于浊辅音爆破音、软腭音,而/h/属于清辅音、擦音、声门音。D项中/I/和j/均属于浊辅音,但/I/属于边音、齿龈音,而/j/属于近音、硬腭音。 故本题选A。
2.【答案】C。解析:本题考查语调。在选择疑问句中,语调为先升后降。故本题选C。

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