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【单选题】
相较于水泥混凝土路面,沥青混凝土路面具有( )的优点。A.
施工方便，养护时间长
B.
弹性好，减震吸声
C.
强度高，耐久性好
D.
温度稳定性小
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皮皮学刷刷变学霸
举一反三
【单选题】I was in some doubt as to whether the detective had__________us accidentally on his way out of the town or if he’d been deliberately tasked.
A.
crashed into
B.
bumped into
C.
fallen against
D.
puzzled about
【单选题】I was in some doubt as to whether the Corporal had______us accidentally on his way out of the town or if he'd been deliberately tasked.
A.
crashed on
B.
bumped into
C.
fallen against
D.
puzzled about
【单选题】I was in some doubt as to whether the Corporal ______ us accidently on his way out of the town or if he'd been deliberately tasked.
A.
crashed on
B.
bumped into
C.
fell against
D.
puzzled about
【单选题】把网络 202 . 112 . 78 . 0 划分为多个子网(子网掩码是 255 . 255 . 255 . 192 ),则各子网中可用的主机的总数是( )。
A.
254
B.
252
C.
128
D.
124
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