手工铺砂法测路面构造深度同一处平行测定不少于()
A.2次
B.3次
C.4次
D.5次
参考答案:B
在△ABC中,∠B=∠A+20O,∠C=∠B+20O,求△ABC的三个内角的度数.
The emperor turned to alchemy to ensure immortality, but contrary to his wishes, the wrong chemistry shortened his life.
A.good fortune
B.quick recovery from his illness
C.never-ending life
D.everlasting peace