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【简答题】
IP地址由网络地址和主机地址两部分组成，C类网络的主机地址长度是（ ）。 A)4 B)6 C)8 D)12
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皮皮学刷刷变学霸
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【单选题】What bad weather it was! We decided .A．not to go outB．to go outC．to not go outD．not going out
A.
What bad weather it was! We decided____. A．not to go out
B.
to go out
C.
to not go out
D.
not going out
【单选题】What bad weather it was!We decided . A．to go outB．not to go outC．to not go outD．not going out
A.
What bad weather it was!We decided____. A．to go out
B.
not to go out
C.
to not go out
D.
not going out
【单选题】— What bad weather! The wind is blowing strongly with lots of _____. — I'm sorry to hear that.
A.
sandy
B.
sands
C.
sand
【单选题】What bad weather we have! It has rained _____ the day before yesterday. [ ]
A.
on
B.
in
C.
at
D.
since
【单选题】— What bad weather !It rained again . — Yeah, _____ when you walk to school .
A.
mind you head
B.
Keep of the grass
C.
Watch your step
D.
Be quiet
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