由均匀分布于整个采样单元的若干初级子样组成的煤样是（）
A、分样
B、子样
C、总样
D、煤样
参考答案：A
每箱果汁有12罐，每罐4元，小胖爸爸买4箱，需要多少钱？
根据句意及首字母提示填写单词.
1. Probably you could write a d_______ of your best friend.
2. She e_______ surprise when I told her how much it was.
3. I was s_______ to hear that the Chinese Football Team got the first place.
4. When I arrived he had a_______ gone.
5. Have you w_______ to your American pen friend?
