1) How many ethnic groups are there in China? a) 55 b) 57 c) 56 d) 58 2) How many tones are there in Pinyin? a) 2 b) 4 c) 3 d) 5 3) There must be initial in Pinyin. a) True b) False 4) There must be final in Pinyin a) True b) False 5) There must be tone in Pinyin a) True b) False 6) There are 6 simple finals in modern Standard Chinese. a) True b) False

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