小桥涵的地基检验，一般采用（）
A.直观
B.触探
C.钻探
D.物探
参考答案：A, B
The U.S. government on Wednesday ________ former Commerce Secretary Gary Locke as
ambassador to China, making him the first Chinese-American ever to take the post.[ ]
A. accumulated
B. reflected
C. distinguished
D. confirmed
元朝时形成了我国新的民族是( )。
A．维吾尔族 B．朝鲜族C．回族 D．蒙古族
