治疗霍乱首选为()
A.抗菌药物
B.禁食
C.血管活性药
D.补液
E.抗毒素治疗
参考答案:D
There are many page replacement algorithms in the page management. Most frequently used algorithm is
A. FIFO
B. PPT
C. OPT
D. LRU
注塑模按模塑方法分类可分为()。
A.注射模
B.压缩模
C.压注模
D.挤出模