住宅自然采光的卫生要求规定投射角不应小于（）
A.30°
B.20°
C.25°
D.27°
E.29°
参考答案：D
6个十和8个一是（ ）。
用所给动词的适当形式填空。
1. Thank you for _____ (give) me the picture of Li Yuchun.
2. My twin brother often _____ (dress) up as a cool boy.
3. May Day _____ (come). What are you going to do?
4. I'd like _____ (drink) some black tea.
5. He and I _____ (not be) busy now.
