法国尚博城堡著名的双螺旋结构楼梯,出自哪位大师的设计?()
A. 罗丹
B. 勒诺依
C. 达芬奇
时速350公里42号道岔,直线尖轨距尖端4014mm处尖轨降低值()mm。
A. 0
B. 4
C. 14
D. 23
There is actually an overlap of()ocean regions somewhere in Western European Waters.
A. as many as three
B. more than two
C. less than two
D. up to four
学校对学生进行德育的基本途径有各学科教学、课外活动、班主任工作等。
A. 正确
B. 错误