题目

We are going to take the high-speed train to Xi'an tomorrow, so an early arrival at the station____________ .A. advisesB. is advisedC. is advising D. was advised 答案：【答案】B【解析】试题分析：句意：明天我们要坐高铁去西安，所以建议早到车站。结合句意，主语an early arrival与动词advise之间是被动语态，故选B。用代数式表示“2a与3的差”为 [　　] A．2a－3B．3－2a C．2(a－3)D．2(3－a)