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【简答题】
从应用的角度看软件可分为两类:一类是管理系统资源、提供常用基本操作的软件,称为____;另一类是为用户完成某项特定任务的软件,称为应用软件。
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举一反三
【单选题】One thing AT doesn't do is to______．
A.
use the need of people to share
B.
show people they have the right to be themselves
C.
help people to be aggressive at anytime even when others suffer
D.
help people overcome fear
【简答题】根据短文内容判断正误。正确的写T,错误的写 F。 Do you use your right hand more or left hand more? Very few us use both of our hands well. Most people use right hands, only about five people of a hundred use left hands. Ne...
【简答题】use one hand to do the cutting throat gesture means —- in Japan
【单选题】According to the text, one unforeseen consequence of hand free use has been______.
A.
an increased incident of unusual behavior
B.
an increase in cell phone costs
C.
an increase in traffic accidents
D.
a decrease in brain cancer from cell phone use
【单选题】How should you signal the crane operator to move slowly ________．
A.
Use one hand to give any motion signal，and place the other hand motionless in front of the hand giving the motion signa
B.
Extend arm with the thumb pointing up，and flex the fingers in and out for as long as the load movement is desired
C.
First tap your elbow with one hand and then proceed to use regular signals
D.
First tap the top of your head with your fist and then proceed to use regular signals
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