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【单选题】
三坐标测量机的软件指令中,说明指令用来指出系统完成某种操作所需的条件,系统对此指令不做任何计算和操作,它是( )性质的,必须出现在执行指令之前。
A.
测量
B.
预备
C.
处理
D.
执行
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【单选题】为了避免IP地址的浪费,需要对IP地址中的主机号部分进行再次划分,再次划分后的IP地址的网络号部分和主机号部 分则用什么来区分?
A.
IP地址
B.
网络号
C.
子网掩码
D.
IP协议
【单选题】Fill in the blank When she heard that her mom was seriously ill, she could hardly ___________ her tears.
A.
reversed oneself
B.
make it
C.
keep back
D.
straighten up
【单选题】Please choose the proper phrase to fill in the blank in the sentence. She became ill and slowly__________.
A.
faded down
B.
faded away
C.
faded in
D.
faded out
【单选题】为了避免IP地址的浪费,需要对IP地址中的主机号部分进行再次划分,再次划分后的IP地址的网络号部分和主机号部分的区分使用
A.
IP地址
B.
网络号
C.
子网掩码
D.
IP协议
【简答题】I never saw my father home from work late or ill, nor did I ever see my father take a “night out with the boys”. He had no bobbies but just took care of his family. For 22 years, since I left home for...
【单选题】All the students ______ John went to the park on Sunday. He was ill.
A.
besides
B.
except
C.
with
D.
without
【单选题】为了避免IP地址的浪费,需要对IP地址中的主机号部分进行再次划分,再次划分后的IP地址的网络号部分和主机号部分采用哪种方式来加以区分( )。
A.
网络号
B.
IP协议
C.
子网掩码
D.
IP地址
【单选题】能准确反映测量的精确度的是______
A.
基本误差
B.
绝对误差
C.
相对误差
D.
附加误差
【简答题】Complete the following passage by filling in each blank with ONE word that best fits the context. With the widespread use of the computer, many middle school and primary school students can type very ...
【判断题】相对误差不能确切反映测量的准确程度。
A.
正确
B.
错误
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