英语试题第四部分：完形填空（共10小题；每小题1分,Smoking,which may be a pleasure fo

英语试题
第四部分：完形填空（共10小题；每小题1分,
Smoking,which may be a pleasure for some people,is a serious source of discomfort for their fellows.Further,medical authorities express their 21 about the effect of smoking 22 the health not only of those who smoke but also of those who do not.In fact,nonsmokers who must 23 inhale(吸入) the air polluted by tobacco smoke may 24 more than the smokers themselves.
As you are doubtless 25 ,a considerable number of our students have joined in an effort to 26 the university to ban smoking in the classrooms.I believe they are entirely right in their aim.27 ,I would hope that it is 28 to achieve this by calling on the smokers to use good judgment and show concern 29 others rather than by regulation.
I am therefore asking you to maintain No Smoking in the classrooms,seminar rooms and auditoriums.This will prove that you have the non-smokers' health and well-being 30 ,which is very important to a large number of our students.
21
concern
trouble
interest
displeasure
22
on
in
with
to
23
passively
instinctively
collectively
hopefully
24
endure
suffer
undergo
experience
25
alert
awake
aware
informed
26
tell
make
persuade
cause
27
Therefore
However
Further
Moreover
29
with
for
to
in
30
on mind
in heart
in mind
on your mind
28
impossible
wonderful
incapable
practical

28怎么没选项呢?