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问题 单项选择题

若函数调用时，参数为基本数据类型的变量，下列叙述中正确的是( )。

A) 实参与其对应的形参共占存储单元
B) 只有当实参与其对应的形参同名时才共占存储单元
C) 实参与其对应的形参分别占用不同的存储单元
D) 实参将数据传递给形参后，立即释放原先占用的存储单元

答案

参考答案：C

解析： 本题考查函数调用时的参数传递。函数的形参是函数定义时由用户定义的形式上的变量，实参是函数调用时，主调函数为被调函数提供的原始数据。
在函数调用时，实参和其所对应的形参分别占用不同的存储单元，彼此之间不影响。

填空题

选词填空，将方框中单词的合适形式填在横线上,使意思完整。（5分）

 

When I was young, mum used to give the family something special for meals. She once put some burnt bread in front of dad. To my surprise, Dad ____小题1:___ his bread, smiled at Mum and ate it up.

After dinner, Mum said ____小题2:______ to Dad for burning the bread. And I will never forget what he said, “ I love burnt bread, dear. It doesn’t matter at all.”

That night, I asked Dad____小题3:_______ he really liked the bread. He said, “ your mum worked very hard all day. She is really tired. And you see---a bit of burnt food never hurt anyone!”

Now I know life is not perfect. Nobody is perfect, _____小题4:____. What we really need is to understand each other, whether it is between husband and wife, parent and child or between two ____小题5:________. So be kind to those around you and a happy life will surely be yours.
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单项选择题

前牙反骨骼Ⅰ型其诊断标准是（）。

A.ANB角＜0°

B.ANB角＜2°

C.ANB角＞5°

D.ANB角＜－5°

E.ANB角≥0°
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