Questions are based on the following passage．
It is reported that China uses 20 million trees each year to feed the country'sdisposable chopstick habit．At about 4，000 chopsticks per tree， that's roughly 80 billionchopsticks per year——far more than the 57 billion（1）by the country's national forestbureau.
While this is hardly the first time that the chopstick issue has come up in China， thenew numbers make the problem look particularly（2）．The country's last forest survey，published in 2009， documented rampant （ 猖獗的 ） deforestation and forest quality farbelow the global（3）．Greenpeace has even dedicated a campaign to the chopstickproblem，（4）it for the destruction of 1.18 million square meters of forest every year.
China has tried to clamp down on chopsticks before—— （5） by taxing them andwooden floor boards， another environmental offender．In 2008， the Wall Street Journal'sJane Spencer reported on a cultural backlash against the chopsticks， led by celebrities，activists and6minded youth.
'Disposable chopsticks are（7）China's forests，' a 26-year-old activist， dressedas an orangutan （ 猩猩 ） reportedly said at a protest at Microsoft's Chinese （8）．'Wemust protest this pointless waste!'
But protest does not appear to have done the trick．In 2010， a（9）mudslide （ 泥石流 ） that killed 700 was blamed on deforestation， reports the Wall Street Journal．Perhapsthe activist's appeal to the government represents an appeal to more transparently confrontthe issue.
'We must change our （10） habits and encourage people to carry their owntableware，' he said.