protect：指设置障碍或掩护，以保护某人、某物免遭危害、损失等。常用于抵御风雨、寒冷、烈日、疾病或保护经济、法律权益等。 4. likely/possible/probable

likely

指从外表、迹象上进行判断，有可能发生，既可以用于人也可用物作主语 It is likely that...或sb./sth. is likely to...

possible 指客观上有可能但往往含有希望很小的意味。不能用人作主语 It is possible (for sb.)to do sth.

It is possible that... probable

可能性比possible大表示"很可能、十有八九"也不能用人作主语 It is probable that...，不能用于It is probable (for sb.)to do sth. 5. replace/take the place of /in place of/in place/instead of

replace 最普通用词，指任何形式的替代，尤指以新的替代旧的、老的和坏的等，指人指物均可。Electric lights have replaced candles.

take the place of 动词词组，"替代（职务、工作等）"作"代替"解时，不可将the去掉或改换为one's。Most scientists agree that computers can't completely take the place of humans.

in place of 介词短语"代替"，通常后接名词或代词，可与instead of 互换，但instead of sb./sth.可省去介词of及其宾语，而in place of通常不能将其省略

People often use plastics in place of/instead of wood or metal. instead of 是介词短语，意思是"代替，而不是"，后接名词、代词宾格、或动名词。

You should take some exercise instead of staying indoors all day long. in place 意为"在适当的位置"。其反义词组为out of place(不在适当的位置；不合适)

Carefully lay each slab in place. 6. at ease/with ease

　at ease舒适；自在（相当于relaxed）

　E.g. Only in my home do I feel at ease

　With ease容易地（相当于easily）

　E.g. He passed the exam with ease.

三、要点梳理

1. greet (vt.)

　(1)欢迎；致意；问好；打招呼

　E.g. He greeted us by shouting a friendly "Hello!"遇见我们时，他友好地喊了声"哈罗"。

　E.g. She greeted him with a kiss.她以一个深情的吻迎接他。

　(2)受到......的对待

　E.g. The speech was greeted by/with loud cheers.演讲受到了热烈的欢呼。

(3)(景象或声音等)映入眼帘，入耳