单选题：Theurgent-care centers" fill a gap for patients with harsh b

题目分类：英语六级
题目类型：单选题
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题目内容：

Theurgent-care centers" fill a gap for patients with harsh but chronic ailments or injuries.

参考答案：

答案解析：

It's necessary for the existing health-care providers to mak

It's necessary for the existing health-care providers to make adjustment as oth

分类：英语六级题型：单选题

A new technology allows small energy savings from ninny diff

A new technology allows small energy savings from ninny different customers to

分类：英语六级题型：单选题

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分类：英语六级题型：单选题

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分类：英语六级题型：单选题