①Fire and water have no mercy.

　　水火无情。

　　②When they were about to kill him, he begged them to have mercy on him.

　　在他们准备杀他时，他求他们对他仁慈一些。

　　③Having lost engine power, the boat's crew found themselvesat the mercy of the wind.

　　在失去引擎动力之后，船员们只能任凭风力摆布了。

　　④It was a mercy that the whole family survived the earthquake.

　　这次地震中一家人都幸免于难，真是不幸中之万幸。

　　2contain　vt.包含；容纳；克制(强烈的感情等)

　　It contains a powerful drug which affects mosquitoes.(教材P26)

　　它含有一种强效的药物可以防止蚊虫叮咬。

　　【一词多义】写出下列句中contain的含义。

　　①The hall can contain/hold/seat/admit 3,000 people. 容纳

　　②This sheet contained a list of problems a patient might like to raise with the doctor.包含

　　③At the sight of this cruelty, they could hardly contain their anger.克制

　　【比较网站】

include 包括，侧重被包含者只是整体中的一部分。 contain 包括，侧重"整体内有"，指在某一范围或容器内能容纳某物。不用于进行时态。 　　④The container contains many kinds of fruits, including a pineapple/a pineapple included.

　　这个容器盛放着许多种水果，其中包括菠萝。

　　3affect　vt.影响；感动；(疾病)侵袭

　　It contains a powerful drug which affects mosquitoes.(教材P26)

　　它含有一种强效的药物可以防止蚊虫叮咬。

　　(1)be greatly/deeply affected by被......深深打动

　　(2)be affected

　　(3)

　　①She was deeply affected by the news of his death.

　　他去世的消息使她深感悲痛。

　　②We want to know whether the new drug has an effect on people's health.

　　我们想知道这种新药对人的健康是否有影响。

　　4appreciate　vt.鉴赏；感激；意识到；欣赏

You should pay more attention to the rainforest where I live and appreciate how the animals