下列哪种肿瘤以局部破坏为主，很少发生转移
A．腺癌B．鳞癌C．黑色素瘤D．基底细胞癌
参考答案：D
It is reported that the Underground Line No.3 _______ in our city in 2010. [ ]
A. will build
B. has built
C. will be built
D. has been built
对于建筑组合灯具（花灯、彩灯、多管荧光灯）的回路电流不宜超过（）A。
A.25
B.30
C.40
D.50
