【简答题】听下面一段对话,回答第1至3题。 1. What's the woman doing? [ ] A. Going to school. B. Attending a class. C. Asking for information. 2. Which bus will the woman take? [ ] A. The first one. B. The second one. ...
【单选题】下列关于协调器的描述中,不正确的是( )。
A.
协调器可以用来协助建立网络中的安全层和应用层的绑定。
D.
协调器是每个ZigBee网络的核心设备,可启动整个ZigBee网络。
【单选题】甲、乙两人分别骑自行车和驾车从同一地点出发,已知甲骑了2675米时,乙驾车从起点站出发,速度为500米/分,甲骑车速度是乙驾车速度的3/4。如果乙驾车每行驶5分钟后停车1分钟,则乙驾车出发后( )分钟追上甲。
【简答题】What was the woman's motivation to learn the language? 2. How did the man learn new vocabulary? 3. Which language did the man learn in high school? 4. How did rehearsal help the woman? 5. Finally what...
【单选题】We cannot _________on his help.