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【简答题】Have you ever rubbed your hands together when they get cold? Why do we do that? We do that for friction . Friction happens when two things that aren’t very smooth (光滑的) rub together to make heat energ...
【简答题】Have you ever rubbed your hands together when they get cold? Why do we do that? We do that for friction . Friction happens when two things that aren’t very smooth rub together to make heat energy. The...
【单选题】— Why do we get up so early? — If we _______ the flight we would have to stay here for another day.
A.
miss
B.
would miss
C.
missed
D.
had missed
【单选题】煤层倾角为 20° 时适合采用的准备方式 为( ) 。
A.
采区式
B.
盘区式
C.
带区式
D.
混合式
【简答题】阅读理解。 Have you ever rubbed your hands together when they get cold? Why do we do that? We do that for friction. Friction happens when two things that aren't very smooth rub together to make heat energy...
【单选题】与用户组有关的结构文件是
A.
/etc/passwd
B.
/etc/shadow
C.
/etc/group
D.
以上全都是
【单选题】According to the passage, why do we have close friends who have nothing in common?
A.
Because we will benefit from the varieties they bring into our life.
B.
Because our friends reflect the different aspects of our personalities.
C.
Because sometimes we choose friends through computer dating agencies.
D.
Because it's better we have friends who are complementary to each other.
【多选题】在Excel中,若要对执行的操作进行撤消,则以下说法错误的有( )。
A.
最多只能撤消1次
B.
最多只能撤消16次
C.
最多可以撤消100次
D.
可以撤消无数次
【单选题】— Why do we get up so early? — If we ______ the flight we would have to stay here for another day.
A.
will miss
B.
miss
C.
missed
D.
would miss
【单选题】Why do we have to _________ Sue’s selfish behavior? We have to teach her to care for others.
A.
keep up with
B.
put up with
C.
catch up with
D.
come up with
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