如图，由5个完全相同的小正方体组合成一个立体图形，它的左视图是（　　）

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.

①从小树立以自觉遵守各项社会制度和规则为荣的意识

②养成自觉遵守各项社会制度和规则的良好习惯

③自觉维护正义

④对非正义行为无动于衷