问题 单项选择题

某患者尿液有灰白色沉淀,加酸后沉淀物溶解并产生气泡,应考虑()

A.尿酸盐结晶

B.磷酸盐结晶

C.碳酸盐结晶

D.草酸盐结晶

E.磷酸钙结晶

答案

参考答案:C

句型转换

请将下列句子改为一般疑问句,每空一词。

1. Li Ming can go to Canada.

                 Li Ming              to Canada?

2. I want to invite my friend to China. 

                              Want to invite              friend to China?

3. You may sleep in this bedroom.

                                           in this bedroom?

4. He arrived in Beijing on Saturday.

                 he              in Beijing on Saturday?

5. There are some trees in the picture.

                                           trees in the picture?

6. I'd like three donuts.

                                           three donuts?

7. The bike is about two hundred yuan.

                 the bike about two hundred yuan?

8. My parents will arrive here in two days. 

                              Parents arrive here in two days?

9. I need some money to go to school. 

                              Need             money to go to school?

10. The little girl is sleeping.

                   the little girl             ?

11. I come from the U.S. 

                                             from the U.S?

12. They can speak Chinese well.

                                              Chinese well?

13. We walked to the bus station. 

                                              to the bus station?

14. Danny wants to buy a pair of cocks for himself. 

                   Danny                                          a pair of socks for himself?

15. My camera was good.

                               Camera good?

选择题