下列肝炎,其病毒属病毒DNA的是()
A.甲型
B.乙型
C.丙型
D.丁型
E.戊型
参考答案:B
With drink and food ____, the prisoner had to walk out of the cave where he was hiding.
A.running out
B.run out
C.use up
D.using up
.冲压件材料应具有良好的塑性。