关于施工安全技术措施的一般要求的说法，错误的是（）。 A.施工安全技术措施要有全面性

阅读理解。

     One day, a farmer was walking along a road with his son Thomas. The father said, "Look! There's a

horseshoe. Pick it up and put it in your bag."  Thomas said , "It isn't worth the trouble. "  His father said

nothing but picked it up himself. When they got to a nearby town, they had a rest. There the farmer sold

the horseshoe and with the few pennies he bought some cherries.

     The father and the son continued their way. The sun was well up in the sky, and there wasn't a house

or even a tree where they could have a rest. Thomas felt too thirsty  to  walk  on. At this time, his  father

dropped a cherry on the ground and Thomas picked it up quickly and ate it.   After  a  while,  his  father

dropped another cherry  and  once  again,   his son lost some time  in  picking  it  up and  putting it in his

mouth.

     And so they went on. The old farmer  dropped   the  cherries and  the  son picked  them up.  When

Thomas had eaten up all the cherries, his father said to him, "My dear son, if you had bent down earlier

to pick up that horseshoe. it  would not have been necessary for you  to  bend  so  many  times  for the

cherries. Always remember  the  lesson that  anyone who does not worry about the little things will find

that he cannot do the great things.

1. Who picked up the horseshoe at last?

A. Thomas.                            

B. The old father.

C. Both the father and the son.            

D. Neither the father nor the son.   

2. The farmer bought _______ with the money after he sold the horseshoe.  

A. some food        

B. some water      

C. some cherries  

D. some pennies  

3. When the son refused to pick up the horseshoe, the father _______.

A. felt very happy  

B. didn't say anything    

C. beat the son      

D. became a little angry

4. The father dropped the cherries one by one, because _______.

A. he wanted his son to eat them all        

B. he wanted his son to do more exercise

C. lie wanted to teach his son a lesson      

D. he wanted his son to pick them up

5. From the story, we can learn that _______.

A. cherries are so delicious that most of us like to eat them

B. a horseshoe is so expensive that it can bring us a lot of money

C. if the boy wants to eat cherries, he must pick up the horseshoe

D. if we want to do some great things, we should start with some small ones

女性，26岁。尿频、尿痛1周。尿常规检查：白细胞（+），红细胞（+）。抗感染治疗后稍好转。静脉肾盂造影发现右肾区有一高密度影，其钙化区呈肾脏的轮廓，左肾盂肾盏显示正常。应考虑的诊断是（）

A.肾肿瘤钙化

B.右肾结石

C.胆囊结石

D.肾自截

E.肠道粪石

作业调度程序从处于 (27) 状态的队列中选取适当的作业投入运行。 (28) 指把作业提交给系统到作业完成的时间间隔。 (29) 是指作业从进 (27) 队列到被调度程序选中时的时间间隔：假定把下列4个作业同时提交系统并进入 (27) 队列，当使用最短作业优先的调度算法时，作业的平均等待时间是 (30) ；当使用最高优先数优先的调度算法时，作业的平均周转时间是 (31) 。作业运行时间表如表5-8所示。

表5-8 作业运行时间表

28（）

A．周转时间

B．响应时间

C．运行时间

D．等待时间

E．触发时间

白血病孕妇红细胞输注指征是（）。

A.＜60g/L

B.＜70g/L

C.＜90～100g/L

D.＜80g/L

E.＜90g/L

以（）为核心的创新是物联网发展的灵魂。

A.普适计算

B.识别技术

C.智能感知

D.用户体验