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【单选题】
在循环语句的循环体中执行break语句的作用是()。
A.
立即终止程序运行
B.
结束本次循环
C.
结束本次循环,跳出循环过程
D.
继续执行break语句后的循环体中的各语句
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【单选题】A. sandB. stoneC. tree D. wall
A.
44. A. sand
B.
stone
C.
tree
D.
wall
【简答题】Billy and Bobby were small boys. They were brothers, and they often fought each other. Last Saturday their mother said to them, “I’m going to cook our lunch now, go out and play in the garden……and be ...
【简答题】横线里最大能填几? ______×6<49 8×______<63 ______×5<44.
【单选题】加权算术平均数的大小受各组( )
A.
次数(f)的影响最大
B.
标志值(x)的影响最大
C.
权数(f/Σf)的影响最大
D.
标志值(x)和次数(f)的共同影响
【单选题】加权算术平均数的大小受各组
A.
次数(f)的影响最大
B.
标志值(x)的影响最大
C.
权重系数(f/∑f)的影响最大
D.
标志值(x)和次数(f)的共同影响
【单选题】_____ the _____ of modern industry, the pollution is becoming more and more serious.A.With; deve
A.
44. _____ the _____ of modern industry, the pollution is becoming more and more serious. A.With; developing
B.
Under; development
C.
With; development
D.
Under; developing
【简答题】slip; slide; glide Canadians living in that area often wear snowshoes in winter to avoid ___. He quickly ___ down the tree when the bear went out of sight. It's a lot of fun ___ down the sand hill. It...
【单选题】It's 7: 44. Time ____________ breakfast. [     ]
A.
to
B.
for
C.
at
D.
in
【简答题】A. schools B. classes C. meals D. students
【简答题】 Passage 2 When people have more money than they need for ordinary ( 平常的 ) things, they sometimes spend their spare money in traveling and seeing other parts of the world. European ( 欧洲的 ) people go ...
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