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[主观题]
Seat belts are also called ________.
提问人：网友hhping22
发布时间：2022-01-07
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更多“Seat belts are also called ___…”相关的问题
第1题
U4t6 Complete thesentences 1) Since ____ allcars sold in the United States have been equipped with seat belts. 2) Seat belts arealso called ____. 3) One studyshowed that ____ percent of those killed in auto accidents could have beensaved . 4) Unfortunately belts are worn only by____ percent of drivers and passengers in cities. 5) In Australia ,where there is such a law, deaths in auto accidents have decreased ____percent.
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第8题
文件exer1的访问权限为rw-r--r--,现要增加所有用户的执行权限和同组用户的写权限,下列命令正文件exer1的访问权限为rw-r--r--,现要增加所有用户的执行权限和同组用户的写权限,下列命令正确的是()
A．chmod a+x, g+w exer1
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B．chmod 765 exer1
C．chmod o+x exer1
D．chmod g+w exer1
