短文填词：（共10小题，每题1分，共10分）
It is said that each year China consumes 15 billion lunch
boxes, _______which over a half are not qualified products. 1._______
These cheap lunch boxes pose threat to h_______. They 2.______
contain ________(有毒的) chemicals, which could harm human 3.______
digestive and nervous systems, and even _______ cancers. Experts 4.______
suggest that consumers take their own table-ware _____ them rather 5._______
than use that _______(提供) by restaurants. If you really need to 6._______
use a restaurant lunch box, _______ carefully first. Those which 7._______
break or leak easily, or smell t_________ are not suitable for you 8._______
to use them _______your lunch container. If you are careful about 9.______
what you eat your lunch from , you will also do your part in p____ 10.______
our environment at the same time.
