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【单选题】
执行以下时( ) x=-1; do { x=x*x; } while(! x);A.
循环体将执行一次
B.
循环体将执行两次
C.
循环体将执行无限次
D.
系统将提示有语法错误
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举一反三
【简答题】Though ______ is a long way from here, we’ll do our best to
reach there in time.A. there B. it C. its D. itself
【单选题】Though _____is a long way from here, we can reach there in time.
A.
there
B.
it
C.
its
D.
D itself
【单选题】Though ___ is a long way from here, we'll do our best to reach there in time. A. B. C. D.
A.
there
B.
it
C.
its
D.
itself
【单选题】Though ___ is a long way from here, we’ll do our best to reach there in time. A. there B. it C. its D. itself
A.
there
B.
it
C.
its
D.
itself
【判断题】精密度指在确定条件下,用某种测试方法对试验材料实施多次测试,其所得结果之间的一致程度。精密度的高低分两种情况分别用重复性 r 和再现性 R 的具体数值来衡量,数值越小,则测试方法的精密度越高。
A.
正确
B.
错误
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