根据桩的规格,打桩的顺序应该是()
A.先深后浅
B.逐排打设
C.先大后小
D.分段打
E.先长后短
参考答案:C, E
- I think I've got a bad cold, Doctor. Shall I take some medicine?
- No need. Your body it self is able to______ the virus. Just drink more water and rest.
A.catch
B.hide.
C.lose
D.fight
局域网的主要特点是什么?为什么局域网采用广播通信方式而广域网不采用呢?