合成树脂乳液内墙涂料（又名内墙乳胶漆）的质量等级可分为（）A．合格品 B．一等品、合

珠蛋白生成障碍性贫血如何分类?

单词拼写：（每小题一分，共10分）

小题1:Fire d_____________ several stores in the business district.

小题2:What’s her a____________ towards the plan? Is she for or against?

小题3: You should not talk about things that don’t c___________ you.

小题4:He is going to make a long j_____________.

小题5:G______________ from our school are working all over the island.

小题6:Dogs _____________(认出) people by their smell.

小题7: It was really very dangerous; you might have __________(伤害)him seriously.

小题8:For him, this will be an ___________ (完全地) new hobby.

小题9: Have you made the examination _________________(日程表)?

小题10:The city lay in _______________(废墟) after the earthquake.

把l5.7523保留整数是______，保留三位小数是______．

对人类基本需要各层次间的关系理解不正确的是()

A．通常先满足低层次的需要，然后再考虑较高层次的需要

B．不同层次需要不会重叠出现

C．各需要层次间可相互影响

D．个体的基本需要满足的程度和健康状况成正比

E．个体满足生理需要的方式类似

大企业实行主导产业投资战略，是风险性最低的战略。