New Orleans   新奥尔良，美国的一个港口城市    

           climate　气候，指一个地区总的天气情况，而weather则指短时间内冷热阴晴等天气的变化。　

’d better = had better　还是……为好，最好还是……，后接动词原形，如：You’d better set off right now.你最好还是马上动身。

　   　semitropical   亚热带的，半热带的

Exercise 1    Substitution

It’s  nice and hot  at this time of the year.

    cool and rainy

    hot and humid

    cold and windy

    wet and cloudy

    rainy and foggy

You’d better   take an umbrella.

             wear more clothes.

             wear a hat.

             bring light clothing.

Exercise 2     Communicative Activities

You( A) are talking with a visitor (B) from Sydney. Australia.

A: Ask him about the climate in Sydney using the language you’ve just learned: the seasons (the coldest months, the hottest months, the wettest months), the best time to visit, the advantage of having such climate, etc.

B: Tell your Chinese friend about what you know, you can the following information for reference:

   Climate:     never gets too hot or too cold, warm, sunny and pleasant

   Seasons:     contrary to (和……相反)those in the northern hemisphere（北半球）

    Spring:     Sept, to Nov.

   Summer:     Dec, to Feb. (highest temperature: 26°C, the summer sun is very strong, so sun cream, hat T- shirt are necessary)

  Autumn:     Mar. to May.

   Winter:     Jun. To Aug. (mild, sunny, lowest temperature: 8°C)

   Best time to visit: winter(mild, cheaper, less crowded)