问题
单项选择题
多普勒鉴别梗阻与非梗阻性肾积水的标准()
①非梗阻性肾积水RI<0.7
②梗阻性肾积水RI>0.7
③非梗阻性肾积水RI>0.7
④梗阻性肾积水RI<0.7
A.①②
B.③④
C.①④
D.②③
答案
参考答案:A
多普勒鉴别梗阻与非梗阻性肾积水的标准()
①非梗阻性肾积水RI<0.7
②梗阻性肾积水RI>0.7
③非梗阻性肾积水RI>0.7
④梗阻性肾积水RI<0.7
A.①②
B.③④
C.①④
D.②③
参考答案:A
阅读短文,把文中所缺单词补充完整。 | |
every morning. Every afternoon I often (经常) play with my friends (朋友们). I ____________ a dog. It ____________ very lovely. I ____________ it very much. My friends like it, ____________. |