【名师点拨】express vt.意为"表达；表示"。文中express their feelings 意为"表达他们的感情"；express oneself用于表达自己的意思、思想或情感。如：

No words can express my thanks to your help.

He can express himself in clear English now after five years' hard learning.

【知识拓展】express作名词讲时，表示"快车；快递；快件"。如：

the No. 102 special express to Beijing 开往北京的102次特快

5. avoid

【课文原句】It is an interesting study and can help you avoid difficulty in communication. (P26)

【名师点拨】avoid vt. 表示"避开；避免"，avoid difficulty in communication意思是"避免交际上的困难"。avoid后接名词、代词或动词-ing形式。如：

Why are you trying to avoid that boy?

I crossed the street to avoid meeting him, but he saw me and ran towards me.

6. be likely to

【课文原句】People from places like Spain, Italy or South American countries approach others closely and are more likely to touch them. (P26)

【名师点拨】likely作形容词，指"可能发生某事"，后可接不定式或从句。be likely to意为"很可能......；有希望......"。如：

Do remind me because I'm likely to forget.

It's quite likely that we'll be in Spain this time next year.

They are likely to refuse your invitation.

【知识拓展】likely, possible, probable都含有"可能的"的意思，但也有差异：

likely指从表面迹象来看很有可能。如:

Look at the black clouds. It is likely to rain tonight.

possible指由于有适当的条件和方法，某事可能发生或做到，强调"客观上有可能", 但常含有"实际希望很小"的意思。如:

It is possible to go to the moon now.

probable语气比 possible强，"可能性"最大，指有根据、合情理、值得相信的事物，