Earth Care's suggestion Can you

instead of turning up the heat. Yes save energy Motor vehicles use a lot of energy, so

products that are made to save energy. Yes save energy

Plant more trees. Yes Plants absorb carbon dioxide from the

air. Talk with your family and friends about global warming and tell them what

you've learned. Yes

difference. Step 4 Language points

1. make a difference

make a difference(1)有很大差别, 有很大不同(2)有很大的关系/影响

make some/ no difference to对...有些/没有关系

That makes no difference to me.

那对我没有影响。

Exercise can make a great difference to your health.

锻炼对你的健康产生很大的影响。

2. put up with

put up with 忍受;忍耐;受苦

That woman, as a housewife, has a lot to put up with. 作为家庭主妇,那女人得忍受很多烦恼。

知识拓展

put aside 节省(钱、时间);储蓄;把......放在一边

put away 收拾起来;储存(钱);喝掉

put back 放回原处;拖延 put down 写下;记下;控制

put forward 提出(意见、建议);推荐

put off 延期;推迟 put on 假装;增加;上演(戏剧)

put out 熄灭;使忧虑;扑灭;出版

put up 举起;张开(伞);张贴;为......提供食宿

3. so long as / as long as

as long as 只要，如果

As long as there is life there is hope.

留得生命在,不怕没希望.