句型转换

1. We shall clean down the classroom after class.(改为一般疑问句)  

_______ _______clean down the classroom after class?

2. How is the environment of your school?(改为同义句)  

_______ _______the environment of your school?

3. Why don't you go to the Summer Palace with her?(改为同义句)  

_______ _______go to the Summer Palace with her?

4. Can we go to the zoo this weekend?(改为祈使句)  

_______ _______to the zoo this weekend.

5. —Why don't we go to the river bank for play?(作否定回答)  

   —________,_______ _______ _______ _______.

符合慢性病性贫血的实验室检查的是（）

A.血红蛋白多数小于60g／L

B.多数为小细胞低色素贫血

C.血清铁升高

D.血清铁蛋白可正常或升高

E.骨髓髓外铁减少