甲状腺危象的主要临床表现是（）。 A.心率增快，血压增高，脉压增大 B.高热，心率增

阅读理解。

        There is a basketball team ( 队) in our school. There are twenty-six girls in the team. They play

basketball from one o'clock to four o'clock every Sunday afternoon. Miss Ma is their teacher. She is

a good basketball player. The girls all like her very much.

        Today, Helen and Nancy are ill. They cannot play basketball, but the other girls are doing some

exercise. Miss Ma is giving orders. The girls are trying to follow the orders.

1. _____ girls in the team play basketball today.

A. Twenty-six          

B. Twenty-five          

C. Twenty-four

2.  How many hours (小时) do they play basketball every Sunday?

A. Two hours.          

B. Three hours.          

C. Four hours.

3. Nancy is _____ now.

A. playing basketball  

B. doing exercise          

C. having a lot of rest

4. Miss Ma is a _____ teacher.

A. PE              

B. Chinese        

C. English

5. The school basketball team play basketball every Sunday _____.

A. morning      

B. afternoon       

 C. evening

计算算式1/2+1/6+1/12+1/20+1/30的值：

A.8/9 

B.7/8 

C.6/7 

D.5/6

适合石灰稳定的土类为（）。

A、高液限粘土

B、粘土质砂

C、砂土

D、天然砂砾

矿用橡套软电缆的系列代号为U，U系列电缆的结构特性代号P表示（）。

A、非金属屏蔽

B、金属屏蔽

C、监视用

D、轻型

下列各项，属脊柱器质性侧凸特点的是（）

A.可见于正常人

B.平卧时可消失

C.向前弯腰时可消失

D.改变体位不能使侧弯得到纠正

E.俗称驼背