企业投资项目可行性研究的市场分析的内容不包括()
A.市场现状调查
B.市场需求研究
C.市场竞争力分析
D.市场风险分析
参考答案：B
把下列各句改为被动语态。
1. We clean our classroom every day.
Our classroom _____ by us every day.
2. They produce silk in Suzhou.
Silk _____ in Suzhou.
3. They speak English in class.
English _____ in class.
4. He teaches us ten words every class.
Ten words _____ to us _____ every class.
5. We use keys for opening the door.
Keys _____ opening the door.
实热证的面色是（）
A.满面通红
B.两颧潮红
C.面色青灰
D.面红如妆
E.面黄带晦
