炉凉时,炉前操作的中心任务是尽快排除()。
参考答案:凉渣铁
In 1960s, the Beatles were Mr Green's favorite singers, but now he _______ like them.[ ]
A. don't
B. doesn't
C. didn't
D. /
图中放大部分所示的“SIGNATURE OF HOLDER”是指什么()
A、证件签署人签名
B、持证人签名
C、签发地
D、签发机关