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【单选题】
下列说法中正确的是 [ ]A.
0既是正数，又是负数
B.
0是最小的正数
C.
0是最大的负数
D.
0既不是正数，也不是负数
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举一反三
【简答题】Round(452.547,0)= Round(452.547,-2)= Len(‘ 合肥 ’)= Str(365.87,6,1)= Str(365.47,3,1)=
【简答题】In Macquarie Street, how was the council car park? The council park was ______.
【单选题】The each revolves both round the sun and on its own axis.
A.
resolves
B.
involves
C.
evolves
D.
rotates
【单选题】氧气雾化吸入时,下列操作方法错误的是
A.
核对病人，做好解释
B.
抽吸并稀释药液
C.
湿化瓶内加入蒸馏水
D.
吸入时间为15～20min
E.
治疗完毕，先关雾化开关，再关电源开关
【单选题】有研究人员归纳了创业成功的9F要素,下面要素中不是9F要素的是哪一个?( )
A.
创办人(Founder)
B.
抓住重点(Focus)
C.
机动灵活(Flexible)
D.
坚定地(Firmly)
【单选题】Without the permission from the members of the Security Council, the Security Council cannot send an army into countries at war to help keep peace and solve serious problems.
A.
Y
B.
N
C.
NG
【单选题】____________________, council housing is high-rise. The apartments are relatively small, but affordable.
A.
Generally speaking
B.
Tend to
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