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问题 填空题
已知y=
2-x
+
x-2
+5，则
x
y
=______．
答案

由题意得：2-x≥0，x-2≥0，

∴可得x=2，y=5，

∴

x
y
=
2
5
．

故填

2
5
．

单项选择题

A client with stress incontinence asks the nurse what kind of diet she should follow at home. Which of the following diet regime would most likely be recommended by the nurse

A. Avoid alcohol and caffeine.
B. Decrease fluid intake.
C. Increase intake of fruit juice.
D. Avoid milk products.
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多项选择题

感应钎焊的特点是（）。

A.加热快

B.效率高

C.操作技术要求高

D.可进行局部加热
查看答案