属于高分子材料的有( )。
A.玻璃纤维增强塑料
B.硅橡胶
C.玻璃
D.石棉
参考答案:A
根据句意及首字母提示完成单词.
1. Tony has got m_____ good friends. He's very happy.
2. Mary's father's sister is her a _____.
3. My father can m _____ a kite(风筝) for me.
4. Helen is Jim's sister, so Jim is Helen's b_____.
5. Jim and Sam are good friends, and t_____ parents are good friends, too.
根据课文《苏州园林》内容填空。
(1)作者认为“苏州园林的我国各地园林的标本”。“标本”现在常用来指经过处理而保存原形的动物、植物、矿物等实物样品,在文中的意思是________。
(2)苏州园林总的特征是________。
(3)本文的结构特点是________,语言特点是________。
(4)常见的说明顺序是________、________、________、________,本文的说明顺序是________。