【单选题】Why did Lucy not to get something to eat?
A.
She was listening to some music.
B.
She was chatting with friends.
C.
She was totally hooked on this game!
【简答题】主设备是指 的设备,从设备是指被主设备访问的设备。
【判断题】Due to the invasion of Dorian, both the Cretan and the Mycenaean civilization came to their end at about 12-11 th century BC.
【简答题】井点管埋设的方法有()、()、()、()。