世界上首个采用直流线路同塔架设的直流输电工程有（）。
A.三沪II回
B.葛上
C.向上
D.德宝
参考答案：A, B
— Kate returned home last night.
— Really? Where_________? [ ]
A. had she gone
B. has she been
C. has she gone
D. had she been
气质属于体质根源特质，它决定了一个人的（）
A.行为习惯
B.感情色彩
C.思维活动
D.生活方式
