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【多选题】
在以下有关 su 命令的陈述中,哪两个是正确的?A.
从超级用户（ super user ）切换到超级用户需要提供口令
B.
从超级用户（ super user ）切换到普通用户需要提供口令
C.
从普通用户（ normal user ）切换到超级用户需要提供口令
D.
从超级用户（ super user ）切换到普通用户不需要提供口令
E.
从普通用户切换到普通用户不需要提供口令
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【单选题】Mary was in a lather when she heard that she would be transferred to another department. The underlined part means ______.
A.
scared
B.
hesitant
C.
agitated
D.
shocked
【单选题】Jerry 查看材料
A.
All animals have the right to live for themselves.
B.
Some vegetarians in fact eat small-sized animals.
C.
Vegetarians need to do more to save animals'lives.
D.
Some people have overstressed the rights of animals.
E.
Vegetarians should be consistent in their eating habits.
F.
How can I become a vegetarian without a favorable environment?
G.
Eating less meat saves not only the life of animals but also that of your own.
【单选题】Food industry would make even greater profits if people should all start to eat healthy foods and stop poisoning themselves.
A.
Right
B.
Wrong
C.
Not mentioned
【单选题】Mary tiptoed over and took the clock away because she hated to hear it ______ when she was trying to go to sleep.
A.
sounding
B.
ringing
C.
ticking
D.
humming
【简答题】Diet, Exercise & Health for Alzheimer Patients Do people with Alzheimer's need to follow a special diet? People with Alzheimer's should eat well-balanced, nutrient-rich meals, but a special diet is us...
【单选题】Mary wishes that she ______ law instead of history when she was in college.
A.
had studied
B.
studies
C.
has studied
D.
studied
【简答题】增强学生体质。大力开展 运动，保证学生每天锻炼 ，不断提高学生体质健康水平。A. “阳光体育”/一小时
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