It's said that of the water around the world is polluted．( )A．two threesB．two thirdsC．second threeD．second thirds 题目和参考答案——青夏教育精英家教网—

题目内容

8．It's said that ______ of the water around the world is polluted．（　　）

A．

two threes

B．

two thirds

C．

second three

D．

second thirds

分析据说世界上三分之二的水都被污染了．

解答答案：C．
英语中分数的表达，先说分子数后说分母数，用基数词表示分数的分子，用序数词表示分数的分母．当分子是一时，分数的分母用单数形式，在表示分数时，当分数的分子大于一时，分数的分母要用复数形式，因此三分之二应该表达成two thirds，故选C．

点评本题主要考查的是分数的表达，先说分子数后说分某数，分子用基数词，分母用序数词，分子数超过"1"时，分母用复数．

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	A．	not to smile，to do		B．	to smile，doing
	C．	not to smile，doing		D．	to smile，to do

16．Hurry up，or you will miss the first flight to San Francisco．（保持原句意思不变）
If youdon't hurry up，you will miss the first flight to San Francisco．

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13．It__________me half an hour to finish my homework．（　　）

20．My teachers often encourage me ________ carefully but I find it difficult．
Your teachers'idea is right． you do，the better you will be．（　　）

	A．	write； The most carefully		B．	to write； The most careful
	C．	writing； The more careful		D．	to write； The more carefully

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