中国营养学会制定的DRIS中，成人氟的AI值为（）A、1.5mg/d B、2.5mg/

阅读理解。

                             Accident Report Form

1. What time did Mrs. Green call the police?

A. At 9:30 p.m.      

B. At 9:40 p.m.          

C. At 9:45 p.m.

2. How many people were trapped in the car? 

A. One.      

B. Two.          

C. Three.    

3. Whose left leg was hurt? 

A. Mrs. Green's.        

B. Their daughter's.    

C. Mr. Green's.       

4. What was the weather like that day?

A. It was sunny.        

B. It was rainy      

C. It was cloudy.      

5. Which of the following is TRUE?

A. The car crashed into a wall.

B. Their daughter hurt her leg and was sent to the hospital.

C. The car accident happened on Zhongshan Road in Nanjing.

有关产褥期血液及循环系统变化说法正确的是（）

A.产后最初3天内，由于胎盘血循环不复存在，故产妇血容量较产前减少

B.产褥早期血液处于高凝状态

C.红细胞计数和血红蛋白较产前无改变

D.中性粒细胞与淋巴细胞较产前无改变

E.血小板数减少

不符合胰腺导管癌病变特点的是（）

A.肿瘤质较硬，切面可呈黄白色

B.癌组织含不等量的黏液

C.间质通常较少

D.常侵犯神经

E.可出现破骨细胞样巨细胞

（）不是资源说明书表现形式。

A.资源计划矩阵

B.资源负荷图

C.资源香蕉曲线

D.资源累积需求曲线

有关月经，下列叙述错误的是（）

A.初潮是指第一次月经来潮

B.经期是指每次月经持续的天数

C.月经周期是指前次月经结束到下次月经开始的时间

D.经期一般为3～7天

E.月经周期一般为28～30天