搜题请搜索小程序“爱下问搜题”
问题
单项选择题 A1/A2型题
颜色的基本特征包括（）
A.色相、明度、彩度
B.色相、色调、彩度
C.红、黄、蓝
D.色相、明度、饱和度
E.明度、彩度、饱和度
答案
参考答案：
D
补全对话，情景问答
Read and match. 读一读，把答句的序号写在相应问句前的括号内。
( ) 1. What did you see?
( ) 2. Where did you go?
( ) 3. What did you buy?
( ) 4. What did you eat?
( ) 5. What did you write?
A. I ate some apples and oranges.
B. I wrote a postcard.
C. I bought a coat.
D. We saw some kites.
E. We went to Beijing.
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问答题 简答题
填写胰岛素生产工艺流程中的空格（字母A—N表示）。
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