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问题 单项选择题

下列属于胶剂的药物是

A．白及胶

B．阿拉伯胶

C．虫胶

D．黄明胶

E．西黄蓍胶

答案

参考答案：D

解析：黄明胶是以牛皮为原料制成的胶剂。其余多数是天然高分子胶，故应选D。

补全对话，情景问答
给问句选择相应的答语。
( ) 1. Where is Australia?
( ) 2. What do people speak in China?
( ) 3. What colour are your shoes?
( ) 4. Do you know the capital city of the U. K.?
( ) 5. Let's go to Australia to watch the kangaroos!		A. OK.
B. Chinese. 
C. Sorry, I don't know.
D. They are purple.
E. It’s south and east of China.
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填空题

长方形和正方形的周长相等，长方形长10厘米，宽6厘米，正方形边长厘米______．
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