须坚持做弓步压髋功和爬行功锻炼的是（）。A、骶髂关节紊乱症面 B、退行性腰椎滑脱症

Johnny Smith was a good math student at a high school. He loved his computer. He came home early every day, then he worked with it till midnight. But Johnny was not a good English student, not good at all. He got an F in his English class. One day after school Johnny joined his computer to the computer in his high school office. The school office computer had the grades of all the students: the math grades, the science grades, the grades in arts and music, and the grades in English. He found his English grade. An F! Johnny changed his English grade from an F to A. Johnny' parents looked at his report card. They were very happy.

"An A in English!" said Johnny's Dad. "You're a very clever boy, Johnny."

Johnny is a hacker（黑客）. Hackers know how to take information from other computers and put new information in. Using a modem（调制解调器）, they join their computers to other computers　secretly. School headmasters and teachers are worried about hackers. So are the police, for some people even take money from bank computer account（账户） and put it into their own ones. And they never have to leave home to do it! They are called hackers.

小题1:Johnny changed his English grade with the computer in _______.

A．the classroom

B．the school office

C．a bank near his house

D．his own house小题2:When Johnny's parents saw the report, they were happy because _______.

A．Johnny was good at math

B．Johnny loved computers

C．Johnny could join one computer to another

D．they thought Johnny was not poor in English any longer小题3:Who are worried about hackers in the story?   .

A．Johnny's parents.

B．School headmasters, teachers and the police.

C．The police.

D．School headmasters and teachers.小题4:What should the hackers know well, do you think, after you read this story?   .

A．Information.

B．Back computer accounts.

C．Computers.

D．Grades.小题5:The last paragraph is about _______.

A．Johnny

B．computers

C．hackers

D．modem

大面积烧伤48h内最主要的全身改变指（）。

A.创伤性休克

B.低血容量休克

C.毒血症

D.创面脓毒症

E.急性肾功能衰竭

小天和小刚要参加“重走长征路”的活动，为了活动能够圆满，爸爸为他们列出了了解长征的准备条目，其中有红军经过了哪些省份？红军渡过了哪几条大江、大河？翻越了什么山？红军沿途除了敌人的围追堵截外，还遇到哪些困难？你能帮助小天和小刚作好这些准备工作吗？

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政策议程的内在引发机制包括（）。

A、自然灾害

B、生态变迁

C、国际冲突

D、科技方面的重大变革

E、战争

下述哪项不是宫内节育器的并发症

A．感染
B．节育器异位
C．脱环
D．带环妊娠
E．血肿