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【单选题】
已知两圆弧的圆心和半径分别是O1、R1和O2、R2,连接圆弧半径为R,与已知圆弧外切,圆心的求法是分别以O1、O2为圆心,以R1+R、R2+R为半径画圆弧,所得交点即为( )的圆心。A.
连接圆弧
B.
已知圆弧
C.
内切圆弧
D.
外切圆弧
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举一反三
【单选题】What does the word 'discount' (Para. 1 ) most probably mean according to the context?
A.
Doubt
B.
Accept
C.
Discharge
D.
Disregard
【单选题】Which is TRUE about writing literature review?
A.
Download as many literatures as you can in all areas.
B.
Your theme shall be broad enough to cover all literatures.
C.
You can organize the information in chronological way.
D.
Do not incorporate your own opinions in the conclusion.
【简答题】Writing can (broad) your horizons by enabling you to communicate effectively with people you have never met.
【简答题】Writing can ______ your world by the way to make you communicate effectively with people you have never met. (broad)
【单选题】已有定义:char a[]="xyz",b[]={'x','y','z'};,以下叙述中正确的是
A.
上述说法都不对
B.
数组a和b的长度相同
C.
a数组长度小于b数组长度
D.
a数组长度大于b数组长度
【简答题】简述重商主义的基本观点。
【单选题】已有定义:char a[]="xyz",b[]={'x','y','z'}; 则以下叙述正确的是()
A.
数组a和b长度相同
B.
a数组长度小于b数组长度
C.
a数组长度大于b数组长度
D.
以上说法都不对
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