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简述旅游产品具有的特点
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举一反三
【单选题】---Is ________ mother a teacher? ---Yes, and Lucy and Lily are .
A.
Lucy and Lily’s, twin sisters
B.
Lucy and Lily’s, twin sister
C.
Lucy’s and Lily’s, twin sisters
D.
Lucy’s and Lily’s, twin sister
【单选题】Mrs. Green is _______________ mother. [     ]
A.
Lucy's and Lily's
B.
Lucy and Lily's
C.
Lucy and Lily
D.
Lucy's and Lily
【单选题】This is _______book. They like it very much.
A.
Lucy and Lily’s
B.
Lucy’s and Lily’s
C.
Lucy and Lily
D.
Lucy’s and Lily
【单选题】--Lily did succeed at last! --Yeah, indeed, but she was ________ than successful, I think.
A.
more lucky
B.
much luckier
C.
luckier
D.
lucky
【多选题】柱板式锚杆挡土墙由( )构成。
A.
墙面板
B.
锚杆
C.
肋柱
D.
挡土板
【单选题】EI32-JD型计算机联锁子系统全部设备均由设于信号机械室的信号电源屏提供电力,电源屏需提供两路独立的带UPS输出的( )电源,总容量为( )。
A.
DC36V;5KVA
B.
AC220V;5KVA
C.
DC24V;5KVA
D.
AC110V;10KVA
【简答题】串行通信中,发送和接收寄存器是( )
【单选题】EI32-JD型计算机联锁子系统全部设备均由设于信号机械室的信号电源屏提供电力,电源屏需提供两路独立的带UPS输出的()电源,总容量为()。
A.
DC36V;5KVA
B.
DC24V;5KVA
C.
AC220V;5KVA
D.
AC110V;10KVA
【单选题】______mother is a teacher of English. [     ]
A.
Lucy's and Lily
B.
Lucy and Lily's
C.
Lucy and Lily
D.
Lucy or Lily
【单选题】EI32-JD计算机联锁系统的UPS电源发光管只亮3个时,说明电池放电到( ) 以下。
A.
30%
B.
40%
C.
50%
D.
60%
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