医学实验动物的组织、尸体是（）
A、病理性废物
B、一般垃圾
参考答案：A
有关心包摩擦音正确的是
A．性质粗糙，低音调
B．与呼吸、心搏一致
C．性质柔和，低音调
D．胸骨左缘3、4肋间最响
E．屏气时摩擦音可消失
The one pleasure that Einstein（）his great fame was the ability it gave him to help others.
A.resulted from
B.stirred up
C.turned out
D.derived from
