为了解患肾的功能及形态改变，最有价值的检查是（） A.B超 B.IVU C.逆行肾盂

16、17号钩尾端部到钩尾销孔后壁的距离小于（）时须更换。

阅读理解。

     "Just five more minutes." "I'm tired!" "I can't get up." If you have ever had trouble getting up in the

morning, you are not alone. Many kids in the United States do not get enough sleep.

     Your body needs sleep-and lots of it! "Evidence (证据) shows that elementary-age children need at

least nine hours of sleep per night," said sleep expert Dr. Carl Hunt.

     Kids who do not sleep enough cannot do their best, experts say. A tired kid may be moody and act

badly. Being tired can also cause kids to forget things, have trouble learning, and have trouble playing

sports.

     Not sleeping enough can also affect kids' safety. Experts say children who are tired are more likely

to suffer injuries.

     Lots of kids lose sleep because they are busy. Many take part in after-school activities. Then they

go home, eat dinner, and do homework. Afterward, many kids watch TV, play video games, and surf

the Internet. That leaves less time for sleep.

     Sometimes you may not be able to go to bed early. But, if you get a choice whether to stay up late,

think twice. A good night's sleep can help you feel your best!

1. What is the best title for this story?[ ]

A. Kids Need More Sleep

B. Turn off the TV

C. Children Dream

D. Kids Have Busy Lives

2. According to the story, what is the main reason many kids do not get enough sleep? [ ]

A. They are afraid of the dark.

B. They are busy all day.

C. They get up early to do their homework.

D. They stay up late reading.

3. How could a good night's sleep help you feel your best? [ ]

A. You may be less moody.

B. You may have an easier time learning.

C. You may be less likely to get injured.

D. All of the above.

模块包含了一个声明区域和一个或多个子过程(Sub开头)或函数过程(以 开头)。

采用剩余政策进行收益分配能使企业的综合资金成本最低。 ( )

预防颅内感染的措施应包括（）

A、尽量缩短住院病人等待开颅手术的时间

B、术前头皮认真准备，术野消毒充分

C、严格无菌操作，脑室外引流的病人住隔离室

D、尽量减少参观人员

E、手术时间较长的，除术前30分钟时应用抗生素外，术中加一次