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标题: prep1-88 [打印本页]

作者: stride 时间: 2007-7-8 20:02
标题: prep1-88

88. (29339-!-item-!-188;#058&003906)

A recent study has found amoxicillin, long a standard treatment for ear infections, as being about as effective as newer, more expensive antibiotics and causing fewer side effects.

(A) amoxicillin, long a standard treatment for ear infections, as being about as effective as newer, more expensive antibiotics and causing

(B) amoxicillin, long a standard treatment for ear infections, to be about as effective compared to newer, more expensive antibiotics and with

(C) amoxicillin, long a standard treatment for ear infections, to be about as effective as newer, more expensive antibiotics and that it causes

(D) that amoxicillin, long a standard treatment for ear infections, is about as effective as newer, more expensive antibiotics and causes

I can correctly choose D. But can anyone help explain the meaning and use of "long a standard treatment for ear infections"?

Thank you.

作者: carolinelmf 时间: 2007-7-10 19:14
就是插入语，进一步说明amoxicillin - 长久以来治疗耳朵感染的标准方法

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