()的质量,如音的高低、强弱、音调、音质所传递的信息量超过了用语言所传递的信息量。
A、文字
B、语言
C、声音
D、动作
参考答案:C
满足{1,2}∪A={1,2,3}的集合A的个数为______.
When she first arrived in China, she wondered what the future might have_______ for her, but now all her worries are gone.
A.in need
B.in time
C.in preparation
D.in store