根据下面短文内容，在短文的空格处填上一个恰当的词，使短文完整、通顺。
Doyouoftenliketousedisposable(一次性的)chopstickswhen   小题1: inrestaurants?It’stimetodropthishabit.
Chinaproduces80billionpairsofdisposablechopstickseveryyear.“ThisisenoughtocoverTian’anmenSquare363times,”saidBaiGuangxin,chairmanofJilinForestIndustryGroup.
“Theproductionofsuchchopsticksisaheavyburden(负担)onnationalforests,”Baiadded.Peopleneedtocut    小题2: over20million20-year-oldtreestomakewayforthisproduction.
Manypeoplechoosetousedisposablechopsticks    小题3:  theythinkthattheyarecleaner.However,manydisposablechopsticksarenotas    小题4:  aspeoplethink.Somemayevenbetoxic(有毒的),ChinaDailyreported.
Severaldaysago,actorHuangBopostedamessageonhismicroblog.Hewrotethatwhenhetriedtowashthedisposablechopsticksinarestaurant,hewas    小题5: tofindthatthechopsticksturnedthewateryellowandgaveoffabadsmell.
Somescientistssaidthecolorand    小题6:  ofthechopsticksmayshowthattheyhavesomethingharmfulsuchassulphur(硫磺)andotherchemicals(化学品).That’sbad    小题7:    people’shealth.
AsBaiGuangxinsuggested,it’sbetterthatpeoplecarrytheirownchopsticksaround.Itdoesn’tjusthelpsavetheenvironment;italso   小题8:  ourownhealth.