传说过了奈何桥要喝一碗可以忘掉人间所有事情的汤是什么汤？
参考答案：
传说过了奈何桥要喝一碗可以忘掉人间所有事情的孟婆汤。
I think I had at least a billion tests, including _____ in which they cut out a piece of muscle from my leg and looked at it under a microscope.
A．that
B．the one
C．it
D．one
钩端螺旋体病雨水型的传染源是
A．鼠，牛
B．鼠，猪
C．猪，犬
D．猪，羊
E．犬，牛
