98. We have friends ____ the world.
A.through
B.in from
C.throughout
D.all over in
答案:C
乳腺癌最常见的部位是 * * 的
A.外上象限
B.内上象限
C.内下象限
D.外下象限
E.乳晕区
容易挥发的药物是
A.破伤风抗毒素针剂、白蛋白B.酵母片、糖衣片C.乙醚、乙醇D.肾上腺素、氨茶碱E.青霉素、头孢唑啉