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【单选题】
对于 Linux，以下哪种说法是错误的？A.
Linux 是一种开源的操作系统
B.
Linux 提供了强大的应用程序开发环境
C.
Linux 可以免费使用
D.
Linux 不支持 Sparc 硬件平台
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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】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
【单选题】下列各句中括号内的词语使用恰当的一项是( )
A.
那时候订婚讲究(门当户对),而大姐丈是作小官的,二姐丈也开过一间酒馆,他们都是相当体面的人。
B.
为了振兴公司,新上任的经理积极开展市场调查,狠抓产品销售额,真是(处心积虑啊)!
C.
万达集团董事长王健林的雄厚财力,令一般的老百姓(望其项背)。
D.
邻里之间一定要(相敬如宾),才能一团和气。
【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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