根据提示，完成下列句子。（每空填一个单词，每题1分，共5分） 1．我们应该保护河

阅读短文，选词填空，每空一词，每词只能使用一次。

Hua Lin, a Chinese boy of 13 years old,likes eating snacks very much. His 小题1:__snack is cream biscuits （奶油饼干）. Sometimes he can eat three packs (包)a day.” I like eating them and I do not want to have anything 小题2:___.” he said.

Now in China there are many children like Hua Lin. They also enjoy snacks. It’s a小题3:__problem. Because they can’t get小题4:___nutrition（营养） from these things, and if they don’t try to eat more小题5:_food, they may become overweight.（肥胖的）

So parents,teachers and schools are worried 小题6:___them. Health experts （营养专家）tell students that they should have healthy eating 小题7:___. First, they must eat regular（规律的） meals instead of too many snacks, and have a good breakfast. Then they should have many different kinds of food,such 小题8:___vegetables,eggs and milk. They can give you what your bodies need. Some students also like fast food, like McDonalds or KFC. They think they are delicious, but 小题9:__too much is also unhealthy. Third, they can’t drink too many sugar（糖）drinks or eat too much fried food.

If they can do as the experts say, they will be healthier. They won’t be 小题10:___at school. They will have enough energy.

以下关于学生用品的卫生监督，哪一项是不正确的（）。

A.依据国家有关法律、法规和卫生标准，使学生用品的卫生标准符合国家有关规定

B.学生用品包括文具、娱乐器具、保健用品等

C.如果不符合国家有关卫生标准，卫生行政部门应对其直接责任单位或个人给予警告

D.学校卫生标准是监督学生用品的主要依据。

E.学生用品卫生监督只针对生产单位，销售单位不包括在内

忽略KM变化，少量装货时的货物重心等于船舶的重心时，则装货后船舶的初稳性高度值将（）。

A．增大

B．减小

C．不变

D．无法确定

项目后评估一般按照（）层次组织实施。

A.1个

B.2个

C.3个

D.4个

微量元素锌与近视眼发生有何关系？