在主机遥控系统中,强制制动在下列()情况进行。
A.正常停车
B.车钟手柄从正车全速扳到倒车某速度挡
C.应急停车
D.车钟手柄从倒车全速搬到倒车微速挡
参考答案:B
—What do you think of our plan?
—I think it's reasonable. But _____ Bob, what we did is a waste of time. [ ]
A. thanks to
B. instead of
C. according to
D. because of
关于睾丸肿瘤标记物质检查,下列哪项是错误的
A.精原细胞瘤大多数HCG阳性
B.主要是aFP和HCG
C.有助于临床分期
D.有助于判断组织学性质
E.有助于预后估计和早期发现复发