【判断题】在电场中,电场力对电荷做正功,电荷的电势能减少。 ( )
【单选题】Miss Gao is ______ to music. She spends a lot of money ______ CDs. [ ]
【判断题】无机汞相较于有机汞毒性更强、富集效应更明显。
【单选题】In listenin to the World -- Sharing Section, what are some of the reasons mentioned by the tourists against choosing London as a holiday destination?
A.
It's too big a city, and doesn't have any real heart.
B.
People there are too busy, indiffernt to the visitors.
C.
It's too modern;there are not many old architecture.
D.
People in London are not humorous, nor do they look friendly.
【单选题】Just_____to him, and you will see how clever he is!
【判断题】在电场中移动电荷时,电场力对电荷做正功,电荷的电势能减少;电场力对电荷做负功,电势能增加。
【简答题】For more than four hundred years, people all over the world have been reading ,watching and listening to the plays and poetry of the British writer William Shakespeare. Most people think of Shakespear...
【单选题】If a teacher attempts to implement the top-down model to teach listenin g, he / she is likely to present__________ .
A.
. new words after playing the tape
B.
. new words before playing the tape
C.
. background information after playing the tape
D.
. background information before playing the tape
【单选题】—I’ll talk to my son Bill about it as soon as possible. He usually listens. —We need _______ listening. We need action.
【简答题】将下列二进制数转换为十进制数: 101 110110 1011100