对于使用石膏、夹板和牵引的病人，下列哪项是错误的A.骨骼突起部应加衬垫  B.为了保

我国商标法规定，注册商标有效期满需要继续使用的，申请续展注册的期间是6个月。 [ ]

Nowadays, more and more schools in China make rules making students wear school uniforms to school. Parents and teachers think it will make a better learning environment at school, but some students don’t like their school uniforms. So, what are school uniforms like in other parts of the world?

In Japan, boys in middle school wear uniforms called “gakuran” which have dark jackets with stand-up collars and pants. Girls, on the other hand, wear uniforms called “sailor fuku”, which look like European naval(海军) uniforms.

Most schools in England require students to wear school uniforms. Boys need to wear long grey or black pants, white shirts and school ties. Girls have the same clothes as boys, but they can wear skirts or summer school dresses during the summer term.

In the UK, uniforms were the custom throughout most of the 20^th Century, but now more and more public schools stop requiring students to wear uniforms. They think uniforms make students lose their personalities(个性).

For children in many African countries, school uniforms can be a kind of pride, or a huge financial burden(经济负担). Many children have only one uniform, and that may be all the clothes they have.

In a word, love it or hate it, school uniform is a part of growing up for children around the world so you’d better enjoy your school uniform and your school life.

根据短文内容，判断下列句子正（T）误（F）。

小题1:The author introduces school uniforms of different countries to prove it is a part of growing up for children.

小题2: In Japan, teenagers all wear uniforms which liik like European naval uniforms.

小题3: Neither Chinese students nor students in other countries like their school uniforms.

小题4: In England all the school stop requiring students to wear uniforms because they think uniforms make students lose their personalities.

小题5:In Africa, many children are too poor to afford more than one uniform.

绩效管理系统运行的重要支撑点是（）。

A.绩效考评 

B.绩效考核 

C.绩效评估 

D.绩效内容

写出下面消息对应的方法编号(如果该消息错误或者没有对应的方法调用，请填写“无”)。

sq.perimeter( )