搜题请搜索小程序“爱下问搜题”
问题 选择题

The postman ________ the mails to her.[ ]

A. brings    

B. takes    

C. carries    

D. sends

答案

答案：A

填空题

根据括号内所给单词的适当形式填空。

1. Look! She ______(hiccup).

2. Tom_______(bear) in 2001.

3. Who is ______(young) in your family.

4. The apple is high for me ______(reach).

5. My sister ______(become) a worker 5 years ago.

6. My friend ______(sneeze) for 15 days.

7. Deng Yaping is a Chinese ______(gymnast).

8. She wanted ______(became) a teacher when she was a child.

9. Li ping ______(win) first prize in competition.

10. My little brother began ______(learn) English at the age of three.

查看答案
单项选择题

代谢性酸中毒时

A．NaHCO3/H2CO3＜20/1，原发性H2CO3↑
B．NaHCO3/H2CO3＜20/1，原发性NaHCO3↓
C．NaHCO3/H2CO3＞20/1，原发性H2CO3↑
D．NaHCO3/H2CO3＞20/1，原发性NaHCO3↓
E．NaHCO3/H2CO3＞20/1，继发性NaHCO3↓
查看答案