答案:民主集中制。
解析:解析:
A. sin(2x-1)+C
B.
C. -sin(2x-1)+C
D.
解析:解析:本题考查的知识点为不定积分换元积分法.
A. 只看到人的思想动机的作用,不懂得人民群众是历史的创造者
B. 宣扬英雄史观
C. 宣扬上帝创世说,否定进化论
D. 不了解社会中存在着阶级
A. any
B. some
C. little
D. a piece
解析:解析:习语 Why don't you have some……
A. would help growing like that
B. keep to grow like it
C. keep growing like that
D. will keep growing like that
A. worried
B. worrying
C. worry
D. worries
A. is coming
B. are coming
C. will coming
D. have come
解析:解析:either...or 谓语动词与临近主语一致。