【单选题】Why did the man miss the woman's phone call yesterday?
A.
His phone was turned o ff .
B.
He was taking a shower.
C.
He didn't take his phone with him.
【单选题】Why did the man fail to answer the phone?
A.
He went to sleep early.
【判断题】在N型半导体中,自由电子的数量大于空穴的数量
【单选题】N型半导体是在本征半导体硅(或锗)中掺入少量的 ( ) 元素(如 磷 )而形成的,由于杂质的掺入,使得晶体中 自由电子 数目远 ( ) 空穴 数目 。
【单选题】Why did the man phone Intersever Customer Service?
A.
He wanted to know what the message means.
B.
He didn’t know which button to choose.
C.
He wanted to know if he can use his e-mail address while overseas.
【单选题】'Why didn't you give me a phone call?''I _____.But nobody answered the phone.' [ ]
【单选题】Why did the phone call change Haley’s life?
A.
Because he was offered a big contract.
B.
Because it was a kind of siren call tempting to give up his dream.
C.
Because he could get a big sum money and write on the side as well.
D.
Because it was this phone call that confirmed his dream − to be a full-time writer.