函数z=ln(y2-2x+1)的定义域是_

函数y=ln√2x+3的复合过程是___。

If a boy or a girl has grown up in a home with sharing tasks and decisions，he or she will probably______.

设二元函数z=xex+y+(x+1)ln(1+y),则dz|(1,0)____.

Duty is an act or a course of action that people __________you to take by social customs, law or religion.

Duty is an act or a course of action that people ______you to take by social customs, law or religion.

Project ______is an uncertain event or condition that，if it occurs，has a positive or a negative effect on at least one project objective，such as time，cost，scope，or quality．

It will be a relief over the death of a friend or a relative if the friend or relative dies from ______.

函数y＝sin2x的最小正周期是____，值域为____.

函数y＝sin2x－cos2x的最小值是____,值域为____.

表达式(8+3＞36.OR..T..AND.“A”-“B”$“ABC”)的运算顺序是______。

设函数y＝1/（2x＋3），则y（n）（0）＝____。