问题
填空题
牙轮钻头两种破碎地层的作用是（）和（）。
答案
参考答案：击碎；切刮
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牙轮钻头两种破碎地层的作用是（）和（）。
参考答案：击碎；切刮
Hello, everyone! My name is Ken. I’m years old. I was born(出生) in 2001. My birthday is . That’s National Day(国庆节). I like music very much and I like sports, __ _. My birthday is coming. My mother buy a beautiful shirt for me. On Sunday, she takes me to a big store. There are some shirts and they are blue, yellow and red. We buy a blue one. It looks cool. My father gives me some CDs and a . He knows what I like. He wants me to play sports more. I’m very . And my sister, Monica, she is only two years old, so she can’t buy anything for me. But she sings a song for me. It’s fun. And I like her so much. My parents want to have a __ for me at home this year. My friends will come to it. We can play together. It’s very exciting to play with my friends in my house.
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