第120页 - 经纶学典学霸八年级英语上下册【江苏国标】

Good luck.

Because they eat aphids and other plant-eating pests.

（更多请点击查看作业精灵详解）

During spring and summer.

(更多请查看作业精灵详解)

They will produce an oily, yellow fluid from joints in their legs and remain still and pretend to be dead.

Yes, I do. Because they are pretty, graceful and harmless to us.(言之有理即可)