关于唐三彩的描述正确的有()。
A.仿唐三彩产于陕西
B.主要以黄、绿、褐三种颜色为主
C.主要成分是碳酸硅
D.是唐代的釉陶生活用具和雕塑工艺品
参考答案:B, D
按要求进行句型转换。每空一词。
1. My computer game is in the bookcase . ( 对划线部分提问)
_____ _____ computer game?
2. His book is on the table . ( 变为一般疑问句, 并作否定回答)
_____ _____ book on the table?
No , it _____.
3. I can see the ball under the chair . ( 变为一般疑问句)
_____ _____ see the ball under the chairs?
4. Please take your brother the English book . ( 变为同义句)
Please _____ the English book _____ your brother .
5. It is on the dresser .( 变为复数句)
_____ _____ on the dresser .
阿基米德原理的内容是 _________ ,表达式是F浮=_________=_________,式中的V排只有 _________ 时才等于V物.