【正文】
rs at present. too + adj.+ to do/... so ... that ... can’t .... /... adj. + enough to do ? . Sandy太年輕了而不能去上學(xué)。 3. know the importance of protecting the Earth. II. Teaching contents 1. New words and phrases: pla, crowded, polluted, rapid, increase, passenger, unfortable, oxygen, tasty, specially, float, pare, interplaary, work, challenging, rapidly, all over again, at a/the speed of, in the form of, pare to/with 2. New structures: Food would most probably in the form of pills and would not be so tasty. The gravity on Mars is only about threeeighths of that on the Earth. Compared with life on the Earth, people would have more space. III. Focus of the lesson and predicted area of difficulty 1. Further understanding of the text. 2. Language points. IV. Teaching procedures Step 1 Leadin Show some beautifu