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【简答题】
以下是两数相加的程序： x = int(input("x=")) y = int(input("y=")) print("x+y=",x+y) 该程序要求接收两个整数，并输出相加结果。但如果输入的不是整数（如字母、浮点数等），程序就会终止执行并输出异常信息。请对程序进行修改，要求输入非整数时，给出“输入内容必须为整数！”的提示，并提示用户重新输入，直至输入正确。
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皮皮学刷刷变学霸
举一反三
【单选题】He found a lot of _______ were ______.
A.
passers-by; grown-ups
B.
passer-bys; growns-up
C.
passer-bys; grown-ups
D.
passers-by; growns-up
【单选题】He discovered that his hometown had changed a lot in the past five years.
A.
realized
B.
found
C.
dreamed
D.
heard
【单选题】He found a lot of _______were _______.
A.
passers-by; grown-ups
B.
passer-bys; grown-up
C.
passer-bys; grown-ups
D.
passers-by; growns-up
【单选题】He discovered that his hometown has changed a lot in the past five years.
A.
realized
B.
found
C.
recognized
D.
heard
【单选题】在Photoshop中下面有关修补工具的使用描述正确的是
A.
修补工具和修复画笔工具在修补图像的同时都可以保留原图像的纹理、亮度、层次等信息
B.
修补工具和修复画笔工具在使用时都要先按住Alt键来确定取样点
C.
在使用修补工具操作之前所确定的修补选区不能有羽化值
D.
修补工具只能在同一张图像上使用
【单选题】He has found a lot of reasons to explain his failure.
A.
effects
B.
results
C.
causes
D.
bases
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