单侧多根多处肋骨骨折急救的原则首先是（）。
A.肋间神经封闭止痛
B.输血
C.止痛药
D.局部加压包扎固定
参考答案：D
从图上可以看出，乙山峰的海拔高度是（ ）
A．600米
B．700米
C．600米-700米之间
D．700米以上
Although he was disabled when he was only ten years of age, yet he aimed ________, for which his
classmates spoke ________ of him.[ ]
A. high; high
B. highly; highly
C. highly; high
D. high; highly
