函数f(x)=2x
3
－3x
2
的单调递减区间为( )．
决策的依据是______
为什么生产硅酸盐水泥时掺入适量石膏对水泥不起破坏作用，而硬化水泥石在有硫酸盐的环境介质中生成石膏时就有破坏作用?
下列句子中，“其”表示“期望、命令”等语气的是______
用______编写的程序可以直接执行。
如何培养学生的动作技能?
计划的两大显著特征是面向未来和面向行动。
设f(χ)，当a＝________时，f(χ)在(－∞，＋∞)内连续。
在Excel2000中，当用“数据”菜单中的“分类汇总”命令对数据进行分类汇总时，不能同时使用两种以上的汇总方式来显示分类汇总的结果。（ ）
With What Do You Buy Your Money?(10) Two years ago, I gave my yearly talk before the Applied Philosophy Institute in Sunnyvale, California. The topic was "Money such lifetime habits cannot be easily dropped. Ultimately, all of my investments start with how I use my time. Some say, "Time is money." I say, "Life is the time we have, so use the time allotted well. You may not have any time to spare." I may spend so much time working for life and health insurance payments, that I die earlier of stress-related disease. Such is life.
Hehasreachedapoint______hedoesn'tworkformoney.
每个人都知道，学习对一个人的成长是至关重要的。
中国近代制度化教育兴起的标志是______
Neverbefore______seenanyladywhocanplaytennisaswellasMaria.
现代教育观认为，教师在教育教学过程中起______作用。
Computersaretoolscarrying______forhumanbeings.
中国近代最负盛名的词话是______。
根据我国宪法关于公民基本权利的规定，下列说法正确的是______
当x→0时，x2是1-cosx的______
Theteacherisvery______totheneedsofherstudentsandshecanadaptherteachingveryflexibly.