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【多选题】
可用于带电灭火的灭火器有( )。
A.
二氧化碳灭火器
B.
干粉灭火器
C.
泡沫灭火器
D.
1211灭火器
E.
二氟二溴甲烷
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举一反三
【单选题】输入输出装置和外接的辅助存储器统称为().
A.
CPU
B.
存储器
C.
操作系统
D.
外围设备
【单选题】在计算机硬件系统中,输入输出装置和外接的辅助存储器统称为
A.
外围设备
B.
存储器
C.
操作系统
D.
CPU
【单选题】The Internet has become a commonplace for us. While【C1】______the Internet, we should not【C2】______the alarm bells sounding in our ears, reminding us of keeping【C3】______for on-line crimes. Last year, ...
A.
surfing
B.
operating
C.
reaching
D.
exploring
【单选题】输入输出装置和外接的辅助存储器统称为
A.
CPU
B.
存储器
C.
操作系统
D.
外围设备
【多选题】权威定势并不是先天固有的,而是来自于后天的社会环境,它的形成主要通过两条途径
A.
儿童在走向成年的过程中所接受的“教育权威”
B.
由于社会分工的不同和知识技能方面的差异所导致的“专业权威”。
C.
经验权威
D.
书本权威
【简答题】She resigned for the reason that she couldn't stand the ___ and unfriendliness in the office.(compete)
【简答题】Fill in the blank with the approapriate forms of the given words. She resigned for the reason that she couldn't stand the and unfriendliness on the office. (compete)
【判断题】菱形立体交叉存在两个平面交叉口,来满足转向要求。
A.
正确
B.
错误
【单选题】There ________ some information on the Internet. [     ]
A.
be
B.
are
C.
is
D.
has
【单选题】The Internet has made it possible ______ in a very convenient way around the world.
A.
for people to communicate
B.
for people communicating
C.
for people communicate
D.
for people to be communicated
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