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.