Would you like your friend to Beijing with you?[ ]
A. to go
B. going
C. go
D. goes
答案:A
用所给词的正确形式填空。
1. It is interesting _________ (know) something about animals.
2. __________ (not open) the door. It is cold outside.
3. She can work out the difficult question _________ (easy)
4. Please keep ___________ (quietly) in the reading - room
5. —Where is my cup?
—__________ (you) is over there.
6. What about _________ (go) fishing with us tomorrow?
声音的三要素为音调、音强和音色,其中音色是由混入基音的 (1) 决定的。 若对声音以22.05 kHz的采样频率、8位采样深度进行采样,则10分钟双声道立体声的存储量为 (2) 字节。
(1)
A.响度
B.泛音
C.高音
D.波形声音