以下关于尿酸盐结石的表述不正确的是（）。A.质地松脆 B.多呈圆形或卵圆形 C.常为

Dear friends,

My name is Tony. I am English. I am twelve years old this year. I am tall, and I am good at playing football. I am in Grade Seven. There are thirty boys and twenty girls in my class. We are learning Chinese in our school. Our Chinese teacher is Mr. Wu. He is a little short, but he is very strong. He is very nice to us. I have some good friends in my class. Tom is a tall boy with short black hair. He is good at playing football, too. Alice is short and she loves wearing red dresses. She is good at English. Mary has long hair. She can speak Japanese and she likes swimming. We all study hard.

What about your school and your friends? Please write soon.

Yours,

Tony

小题1:Which country is Tony from?

A．America

B．England

C．China

D．Australia小题2:Who is Mr. Wu?

A．He is Tony’s English teacher.

B．He is Tony’s father.

C．He is Tony’s Chinese teacher.

D．He is Tony’s friend.小题3:How many students are there in Tony’s class?

A．20.

B．30.

C．52.

D．50.小题4:Who likes swimming?

A．Tom.

B．Alice.

C．Mary.

D．Mr. Wu.小题5:Who writes this letter?

A．Tony.

B．Tom.

C．Mary.

D．Alice.

台湾岛是我过第一大岛，面积为三万五千七百五十九平方千米，写作______平方千米，保留一位小数约是______万平方千米．

试剂盒检测时，待检样品的pH值应保持在（），过酸或过碱都可能对结果产生影响。

A、6.0±1.0

B、8.0±1.0

C、7.0±0.5

D、7.0±1.0

55岁女性患者长期单独应用一种抗高血压药进行治疗，疗效欠佳，今日血压为170／110mmHg，下肢轻度凹陷性水肿，考虑采用联合用药，以提高降压效果，请问下述哪种联合用药最为有益（）

A.氢氯噻嗪+螺内酯+美托洛尔

B.氢氯噻嗪+硝苯地平+维拉帕米

C.氢氯噻嗪+美托洛尔+肼屈嗪

D.氢氯噻嗪+哌唑嗪+肼屈嗪

E.硝苯地平+哌唑嗪+肼屈嗪

与所治疾病的寒热性质相对而言的中药性能是( )

A．四气
B．五味
C．升降浮沉
D．归经
E．毒性