肠结核的主要病变部位在
A．回盲部
B．升结肠
C．空肠
D．降结肠
E．乙状结肠
参考答案：A
More than 10,000 relics, ____ between 5,000 to 3,000 B.C., ___ at Sanxingdui since it was first discovered.
A. dating back to, was dug up B. dating back to, have been dug up
C. dated back to, has been dug up D. dated back to, were dug up
计算机能直接执行的程序是______。
A) 源程序 B) 目标程序 C) 汇编程序 D) 可执行程序
