【单选题】【消耗次数：1】
Keep a __________attitude and good things will happen.
①
negative
②
positive
③
post
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相关题目
【单选题】
Televisions enable us to see things happen almost at the exact moment _____.
①
which they are happening
②
they are happening
③
which they happen
④
they have happened
【单选题】
Televisions enable us to see things happen almost at the exact moment _____.
①
which they are happening
②
they are happening
③
which they happen
④
they have happened
【单选题】
Televisions enable us to see things happen almost at
the exact moment ____.
①
which they are happening
②
they are happening
③
which they happen
④
they have happened
【单选题】
_______every week for several hours is good to keep healthy.
①
Exercise
②
To exercise
③
Should exercise
【单选题】
Keep your office space looking good, ( ) your desk.
①
particular
②
especial
③
particularly
④
partial
【单选题】
A balanced diet is ______ as a quick and effective way to keep in good health.
①
consider
②
considers
③
considered
④
considering
【单选题】
A well written composition ____ good choice of words and clear organization among other things.
①
calls for
②
calls on
③
calls up
④
calls off
【单选题】
A well written composition _____ good choice of words and clear organization among other things.
①
calls for
②
calls on
③
calls up
④
calls off
【单选题】
In Jerry nagged at me to walk the dog, the writers attitude is []
①
positive
②
negative
随机题目
【单选题】
某公司申请到一个C 类IP 地址，但要连接6 个的子公司，最大的一个子公司有26 台计算机，每个子公司在一个网段中，则子网掩码应设为（ ）。
①
255.255.255.0
②
255.255.255.128
③
255.255.255.192
④
255.255.255.224
【单选题】
当路由器接收的IP报文中的目标网络不在路由表中时，将采取的策略是（）。
①
丢掉该报文
②
将该报文以广播的形式从该路由器的所有端口发出
③
将报文退还给上级设备
④
向某个特定的路由器请求路由
【单选题】
某部门申请到一个C类IP地址,若要分成8个子网,其掩码应为（ ）。
①
255.255.255.255
②
255.255.255.0
③
255.255.255.224
④
255.255.255.192