疲劳骨折多发生于() A.第二、三跖骨 B.腓骨上l/3骨干 C.尺骨 D.桡骨 E 发布时间:2017-08-18 22:07 │ 来源:www.tikuol.com 题型:单项选择题 问题: 疲劳骨折多发生于()A.第二、三跖骨B.腓骨上l/3骨干C.尺骨D.桡骨E.肱骨上1/3
题型:单项选择题 The world's population is getting larger and larger, so scientists will have to ______ new ways to solve food problem. [ ]A. catch up with B. keep up with C. come up with D. make up with 查看答案
题型:单项选择题 用直线切割一个有限平面,后一条直线与此前每条直线都要产生新的交点。第1条直线将平面分成2块,第2条直线将平面分成4块,按此规律将该平面分为67块需()。A.8条直线B.9条直线C.10条直线D.11条直线 查看答案