GoldWave中,新建一个声音文件主要是设置()属性
A.编码
B.声道数
C.采样频率
D.时长
参考答案:A, B, C, D
用所给单词的适当形式填空
1.I don't know how learning in schools ____ (differ) from learning in everyday life.
2. You should know sleeping in class is _____ (forbid).
3. The problem has been _____ (bother) me for weeks.
4. Ordinary people wouht then be able to use them to ____ (obtain) valuable information.
5. All the high managers should _____ (retire) at 55.
6. He raised an____ (object) to what I proposed.
7. We are working on the ____ (assume) that we can carry out the plan in a week.
8. After he ____ (retire) from politics, he settled in the countryside.
9. That's____ (mere) a dream.
10. The noise from the construction site at deep night is very ____(disturb). We've decided to
do something against it.
下面程序的输出结果是 【15】 。 #include <iostream> using namespace std; class base protected:int a; public:base()cout<<"0": ; class basel: virtual public base public:base1() cout<<"1"; ; class base2 : virtual public base public:base2()cout<<"2"; ; class derived : public base1,public base2 public:derived () cout<<"3"; int main () derived obj;cout<<end1;return 0;