更多"Social taboos remained strong. Gamb"的相关试题:
[单项选择]设二元函数f(u，v)对任何(u，v)具有一阶连续偏导数，且f(0，0)=0，f'u(u，v)f'v(u，v)≠0，则对任何(x，y)，下列等式恒成立的是
[单项选择]Bad living conditions {{U}}breed{{/U}} social and welfare problems.
A. give rise to
B. give in to
C. bring up
D. bring out
[单项选择]If the argument in the passage is valid, taboos against eating in-the presence of others who are NOT also eating would be LEAST likely in a society that ______.
A. always had a plentiful supply of food
B. emphasized the need to share worldly goods
C. emphasized the value of privacy
D. discouraged overindulgence
[单项选择]某个C程序中有4个函数t、u、v和w，执行时t调用了u和v，u调用了t和w，v调用了w，w调用了t和v。以下叙述中正确的是 ( )
A. 这4个函数都间接递归调用了自己
B. 除函数t外，其他函数都间接递归调用了自己
C. 除函数u外，其他函数都间接递归调用了自己
D. 除函数v和w外，其他函数都间接递归调用了自己
[单项选择]Social evils were fundamentally caused by ______ unequality.
A. economy
B. economic
C. economics
D. economical
[单项选择]Regular visits from a social worker can be of {{U}}immense {{/U}} value to old people living alone.
A. immediate
B. great
C. equal
D. moderate
[单项选择]The social scientists who adopt the social standing approach ______.
A. believe that Puerto Ricans will increasingly gain economic advantages
B. think that Puerto Ricans will lose their national cultures
C. regard the political relation of Puerto Rico to the United States as a significant factor
D. point out that coercion and inequality will inevitably occur in the process
[判断题]已知u1＝18sin（ωt＋15°）V；u2＝15sin×（ωt＋35°）V。则u＝u1＋u2＝33sin（ωt＋50°）V。
[判断题]已知u1＝18sin（ωt＋15°）V；u2＝15sin（ωt＋35°）V。则u＝u1＋u2＝33sin（ωt＋50°）V。
[单项选择]将森林转换为对应的二叉树，若在二叉树中，结点u是结点v的父结点的父结点，则在原来的森林中，u和v可能具有的关系是（）。
I.父子关系
II.兄弟关系
III.u的父结点与v的父结点是兄弟关系
A. 只有II
B. I和II
C. I和III
D. I、II和III
[单项选择]Many a mountain and many a river{{U}} {{/U}}visited by the guests.
A. have been
B. were
C. was
D. are
[填空题]一台变压器原绕组匝数N1=2200匝，输入电压U1=200V时，输出电压U2=55V，则该变压器副绕组匝数N2为（）匝。
[单项选择]两个正弦量为u1=36sin（314t+120°）V，u2=36sin（628t+30°）V，则有（）。
A. u1超前u290°
B. u2比u1超前90°
C. 不能判断相位差
[简答题]在全电路中，E=110V，r=1Ω，U=100V，电路中的电流是多少？
[单项选择]在YUV彩色空间中，数字化后Y:U:V是 (18) 。
A. 4:2:2
B. 8:4:2
C. 8:2:4
D. 8:4:4
[单项选择]图示电路，U=12V，UE=10V，R=0.4kΩ，则电流J等于（）。
A. 0.055A
B. 0.03A
C. 0.025A
D. 0.005A
