CO2吸收塔是再生系统和脱碳系统的连接点。

单句改错。

1. He likes walk down the street to enjoy the sunshine.          

2. Let me have a look the photo of your family.         

3. Everyone have fun at the party.         

4. Li Lei, with his friends, play football over there every day.        

5. There are thirty minutes in half a hour.                        

6. There's a "u" and a "s" in the word "us".                      

7. Would you like going shopping with my mother and me?        

8. There's many food in the fridge.                            

9. The students usually go to school by a bike.                    

10. My shoes are under my bed and his is under his bed.

99²+2×99+1．

肛门为下列哪个脏腑之窍：

A．心

B．肺

C．肝

D．肾

E．脾

女婴，30天。过期产，出生体重4500克，母亲无糖尿病病史。生后人工喂养，常鼻塞，时有呼吸困难，吃奶差。哭声弱、反应差、便秘，体检：T35℃，P90次/分，皮肤轻度黄染。血象：Hb90g/L，RBC3．6乘以十的十二次方/L，WBC11乘以十的九次方/L。对该患儿最主要的治疗是

A．应用抗生素抗感染
B．保肝、利胆、退黄
C．不需用药，继续观察
D．保暖给氧，支持呼吸
E．服用甲状腺制剂

根据《移动电话机商品修理更换退货责任规定》，移动电话机修理者对送修的移动电话机主机在（）日内不能修好的，应当免费给消费者提供备用机，待原机修好后收回备用机。

A.7日

B.15日

C.30日

D.60日