圆盘剪刀片有()、毛刺、结瘤、磨损、平面度大等缺陷。
参考答案:缺口
下列行为中,属于侵犯公民隐私权的有
①家长为了了解孩子而拆阅孩子的信件
②学生张某给在国外的舅舅寄了一张明信片
③教师为了教育学生,未经本人同意公布学生的个人信件
④学校公布某家长对学校的感谢信
A、①②
B、②③
C、①③
D、①④
句型转换。
1. I've been studying computer science since three years ago. (改为同义句)
I have been studying computer science ______ ______ ______.
2. I can see only a bird in the tree. (就画线部分提问)
______ ______ ______ can you see in the tree?
3. Mike cooked more freely than any other student in his class. (改为同义句)
Mike cooked______ freely in his class.
4. I love thrillers because I like to be scared. (就画线部分提问)
______ ______ you love thrillers?
5. They didn't watch TV yesterday. They read books instead. (合并成一句)
They read books instead ______ ______ TV yesterday.