哪支动脉损伤最易引起股骨头缺血坏死
A．旋股内侧动脉B．股骨干滋养动脉升支C．腹壁下动脉D．股圆韧带内的小凹动脉E．旋股外侧动脉
参考答案：A
阅读并判断，正确的画“√”，错误的画“×”。
My name is Jenny. I'm ten years old. My birthday is March tenth. I'm 1.2 metres tall. I live in a house. My
address is 522 Park Road. I'm a Chinese girl. In China, it's cold and snowy in December. I like winter. I can
play with snow.
( ) 1. Jenny is a girl of ten.
( ) 2. Jenny is Chinese.
( ) 3. She isn't 1.2 metres tall.
( ) 4. Her address is 524 Park Road.
( ) 5. Jenny's birthday is May tenth.
两水池用虹吸管连通（如图所示），两水池水面高差H=2m，管长l1=3m，
l2=5m，l3=4m，d0=200mm，管顶比上游水池水面高h=1m，λ=0.026，ξ进口网=10，ξ弯头=1.5，ξ出口=1，通过虹吸管流量Q=（）。
A．0.005m3/s
B．0.05m3/s
C．0.5m3/s
D．5m3/s
