传输时隙表主要过程有三步。()
A.开传输端口(LIFSETTINGS)
B.开同步(SYNCRONIZATION)
C.做时隙分配表
D.做EDGE
参考答案:A, B, C
尿毒症患者发生手足抽搐的情况是()。
A.肾衰静脉点滴氨基酸时
B.输血时
C.静脉点滴碱性药物纠正酸中毒时
D.口服碳酸氢钠时
E.静脉滴入青霉素时
跟据所给单词完成句子
1. She _____ _____(forget) to bring her homework to school before the teacher called her parents.
2. When we got to the airport, the plane _____ _____(left).
3. I _____ _____(live) in Beijing for ten years before I came here.
4. Hello, I _____ _____(not know) you ______(be) in London, How long have you been there?