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【单选题】
关节的辅助结构有A.
关节软骨
B.
关节面
C.
关节窝
D.
关节囊
E.
韧带
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【单选题】Air pollution can be as harmful to one\'s health___________ A．on the downwi
A.
Air pollution can be as harmful to one///////'s health___________ A．on the downwind side
B.
during rush hours
C.
in spring and autumn
D.
to toxic air
E.
between autumn and winter
F.
as exposure to nuclear radiation
【简答题】Smoking is harmful ______one's health.
【简答题】It is known to us that smoking is harmful to one's health. ____________________________, smoking is harmful to one's health.
【单选题】Air pollution can be as harmful to one's health___________
A.
When you get up
B.
Where you stand while waiting to cross a road
C.
Where you walk
D.
Where you sit on a bus and how you travel
E.
When you go to bed
F.
When pollution levels rise and fall
【简答题】接触器触头的结构形式主要有 、 。
【单选题】One of the harmful effects of noise on human performance is that ______.
A.
it deprives one of the enjoyment of music
B.
it drowns out conversation at worksites
C.
it reduces one's sensitivity to sound
D.
it makes the victim helpless in everything
【单选题】Regret is a harmful emotion since it______.
A.
seriously damages one's health
B.
makes one feel small and ashamed
C.
is usually accompanied by self-blame
D.
deters physical and emotional healing
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