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【简答题】
IPv4地址是( 1 )位的二进制, 把它分成四段,每段转换成十进制后最大值是( 2 ), 十进制数字“192”转换成二进制是( 3 ), 二进制数字“11001000”转换成十进制是( 4 ), 如果IP地址是192.168.16.16/16,那它的子网掩码是:( 5 )
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【简答题】Ergänzen Sie die Adjektivendungen! a) Das ist ein neu___ Schal. Ich kaufe den neu___ Schal. b) Das ist ein klein__ Kind. Ich helfe dem klein__ Kind. c) Das ist mein zweit__ Onkel. Ich zeige meinem zwe...
【单选题】He runs every day. ______, he has lost weight and become healthier.
A.
However
B.
In fact
C.
As a result
D.
In other words
【单选题】He has saved every penny he could ____ the poor girl.
A.
help
B.
helping
C.
to help
D.
helped
【单选题】It's six o'clock in the morning. It's time to ____. [ ]
A.
do homework
B.
get up
C.
have lunch
D.
go home
【简答题】于流体具有 ,液流在管道中流动需要损耗一部分能量,它由 损失和 损失两部分组成。
【简答题】读一读，写一写。 It's six o'clock in the evening now. My mother is supper. My father is reading the newspaper. My little sister is watching TV. I am doing my homework. What is your family doing now? Pl...
【单选题】It's six o'clock in the morning . Many people ______ in the park .
A.
are dancing
B.
dance
C.
is dancing
D.
dances
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