答案:把国内外一切积极因素调动起来,为社会主义事业服务的入侵
答案:把国内外一切积极因素调动起来,为社会主义事业服务的入侵
A. 国民革命时期
B. 土地革命战争时期
C. 土地革命战争后期和抗日战争时期
D. 解放战争时期
解析:解析:本题考查的是毛泽东思想的发展历程。在土地革命战争后期和抗日战争时期毛泽东思想得到多方面展开而达到成熟。
A. decides on
B. sticks to
C. goes over
D. makes up
A. finish
B. will finish
C. have finished
D. will have finished
A. dust
B. a dust
C. the dust
D. dusts
解析:解析:dust 是不可数名词
A.
B.
C.
D.
解析:试题解析:本题考查的知识点为交换二次积分次序.由所给二次积分可知积分区域D可以表示为1≤y≤2,y≤x≤2,交换积分次序后,D可以表示为1≤x≤2,1≤y≤x,故应选B.
A. can't they
B. aren't they
C. don't they
D. won't they
A. kilometer long
B. kilometers long
C. kilometer longer
D. kilometers longer
A. was present
B. were present
C. have been presented
D. has been presented
解析:解析:not only... but also 谓语动词与相邻名词一致。present 呈现,介绍