In the early days of PCBs, the design and layout was undertaken manually. Nowadays the PCB design process has been computerized and there are many PCB CAD softwares that enable the PCB layout and design to be undertaken more efficiently than before.
【单选题】听力原文:M: Do you have hot water in your dorm? Because we haven't had any for three days and I hate cold showers. W: Oh, that sounds miserable. Since the gyms usually open, why don't you just go over the...
A.
He can go to the gym to have a bath.
B.
He can turn to the gym to have the water pipe repaired.