阅读理解。

     It' s Sunday morning. There are many people in the park, some boys are playing basketball. There are

some girls under a big tree. They' re singing and dancing. What are those women doing? They are drinking tea. Look at the woman in a blue coat.  Who' s she?  She' s my mother. She is talking to Edward. Edward is her student. He is a good student. He studies hard .  He' s good at all the subjects.  And he' s  friendly

to all his teachers and his friends.

1.The boys are______.

A. singing

B. playing basketball    

C. dancing

D. drinking

2.My mother is______.

A. a teacher

B. an office    

C. a doctor    

D. a woman

3.Edward is in.

A. my home

B. the classroom    

C. the zoo  

D. the park

4. —Who' s under a big tree? 

    —______.

A. Some people.  

B. Some women.  

C. Some girls.

D. Some boys.

5.—What color is my mother' s coat?

    —It's     _      .

A. blue

B. white  

C. red

D. yellow

患者，女性，30岁，3日来尿频，尿急，尿黄，医生诊断为泌尿系统感染。用链霉素治疗3天，疗效不佳，并有眩晕、耳鸣和听力下降等表现。与链霉素合用可增加耳毒性的药物是（）

A．氢氯噻嗪

B．螺内酯

C．呋塞米

D．氨苯蝶啶

E．甘露醇