答案：CCAB

　　详解：

　　straining

　　n. 应变，变形

　　v. 拉紧;竭尽…的全力;使…损坏(strain的ing形式)

　　With straining eagerness Catherine gazed towards the entrance of her chamber.

　　凯瑟琳带着紧张的热切神情，盯着她卧房的门口。

　　prospered

　　vi. 繁荣，昌盛;成功

　　vt. 使……成功;使……昌盛;使……繁荣

　　As the World Bank puts it, the region, which prospered through exporting, is now suffering for the same reason.

　　正如世界银行所言，这一地区的繁荣源自出口，但如今的痛苦也出于同样原因。

　　drifting along

　　随波逐流;任其自然

　　Some people have aims in their lives, some are just drifting along.

　　有些人生活中有一定的目标，有些则听其自然。

　　lose color

　　变苍白

　　To prevent lose color , but preexistence corrupt mark is in an a few drop clear water, will wipe gently again after its embellish is wet.

　　为防止掉色，可先在污痕处滴几滴清水，将它润湿后再轻轻擦拭。

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