俄国十月革命具有划时代的意义。十月革命[ ]
A.是在工人阶级占人口大多数的国家中取得胜利的
B.推翻了俄国沙皇专制统治
C.中止了帝国主义大战
D.推动了第三国际的建立
答案:D
Linda didn't get there on time because of the bad weather. What's more, her car was in poor
__________. [ ]
A. position
B. condition
C. situation
D. direction
紧急停机变桨系统使叶片以()度/秒向90度顺桨.
A.4
B.5
C.6
D.7