1904年至1905年，为争夺在华利益而在中国东北进行战争的帝国主义国家是（）
A.美国与俄国
B.美国与英国
C.英国与日本
D.日本与俄国
参考答案：D
有关胸外心脏按压的手法叙述错误的是（）
A.掌根置于胸壁，另掌交叉重叠
B.手指翘起，肘关节伸直
C.双肩、双臂与胸骨垂直
D.利用上身重量垂直下压
E.放松时双手方可离开胸壁
Which of the following is a feature of the monastery cloister in the Middle Ages
A．It was surrounded by a river.
B．It generally had a fountain or a well at the center.
C．It was surrounded by flowers.
D．It generally had a wall at the center.
