People in all parts of the world are observing "No Tobacco Day". It is the day _
Its effects are ___16___ those of cocaine and heroin. "No Tobacco Day" is intended for smokers and ___17___ who earn money from tobacco sales. So businesses are urged to stop selling tobacco products for twenty-four hours. ___18___ are urged not to carry advertisements for cigarettes.
WHO has approved plans to help reach its ___19___ of a "smoke-free" world. They urge governments to take action to help ___20___ make money by growing other crops. They also call for improved public information campaigns about the risks of smoking.
11题选()
A.whether
B.which
C.when
D.what
12题选()A.to chew
B.chew
C.chewing
D.chewed
13题选()A.problems
B.questions
C.results
D.behaviors
15题选()A.difficult
B.inconvenient
C.worrying
D.reasonable
18题选()A.Readers
B.Books
C.Managers
D.Newspapers
20题选()A.Workers
B.manufacturers
C.farmers
D.producers
19题选()A.Objet
B.goal
C.destination
D.direction
14题选()A.at beat
B.at most
C.at worse
D.at least
17题选()A.that
B.this
C.these
D.those
16题选()A.better than
B.similar to
C.consistent with
D.dependent on
请帮忙给出每个问题的正确答案和分析,谢谢!