单项选择题

I度羊水污染表现为

A.羊水呈黄色
B.羊水呈黄绿色
C.羊水呈浑浊棕黄色
D.羊水呈浑浊黄绿色
E.羊水呈浅绿色

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SECTION 2 Vocabularly ReplacementThis section consists of 15 sentences; in each sentence one word or phrase is given in the brackets. Below each sentence, there are 4 choices respectively marked by letters A,B,C and D.Choose the word or phrase that can replace the part without causing any grammatical error or changing the basic meaning of the sentencE.There is only ONE right answer.Once a proposal goes into its place, it's not likely to reverse it.A.enhanceB.implementC.overthrowD.provoke

A.Once
B.
A.enhance
B.implement
C.overthrow

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SECTION 3 Error CorrectionThis section consists of 15 sentences; in each sentence there is a part given in the brackets that indicates a grammatical error. Below each sentence, there are 4 choices respectively marked by letters A,B,C and D.Choose the word or phrase that can replace the part so that the error is correcteD.There is only ONE right answer.What distinguished her in the other girls was her peculiar hairstylE.A.toB.fromC.thanD.with

A.What
B.
A.to
B.from
C.than

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