第90页 - 亮点给力提优课时作业本九年级英语译林版

(They stand for) Good luck.

Because they eat aphids and other plant-eating pests.

They will produce an oily, yellow fluid from joints

in their legs and remain still and pretend to be dead.

During spring and summer.

Yes, because they are pretty, graceful and harmless

to us./No, because I am too busy with my homework

to look after them. (答案不唯一，言之有理即可)

A