誊写词语

     分辨            重围             奇观

MF⊥NF于F，MF交AB于点E，NF交CD于点G，∠1=140°，∠2=50°，试判断AB和CD的位置关系，并说明理由．

Rainforest also help to ____   the weather. When trees are cut down, it gets hotter. Besides, one quarter of our ____  come from plants. Many of these plants can be found only in rainforests. There is a lot that we have not learnt about rainforests. If we____ them, we will never find out.

In my opinion, our future____ saving the rainforests. We must tell more people how important rainforests are so that they will stop doing harm to them. We must protect the rainforests now. We have to act now to save our only home.