【单选题】
4.After a delay of two hours, it was finally announced that the passengers could now _______ the plane.
【单选题】
The board deemed it’s urgent that these invitations _____first thing tomorrow morning.
①
had to be put in the mail
②
must be put in the mail
④
should have been put in the mail
【单选题】
Hardly had the train arrived at the destination when the passengers ________ out in no time.
【单选题】
—We all had a lot of fun at the barbecue ?yesterday. Pity you weren’t there.
—I really should have gone with ?you but I _______ on some remaining problems.
【单选题】
Many passengers for a plane journey would like to reserve a ______ seat or aisle seat.
【单选题】
A fire broke out at the school but the teacher were able to lead the ___________ children to safety.
【判断题】
掷10颗骰子,假定每颗骰子出现1至6都是等可能的,则10颗骰子的点数和的数学期望是25.
【单选题】
A precis should be concise; that is, it should be [] than the original material.
【判断题】
25.杜甫《江汉》诗:“落日心犹壮,秋风病欲苏”,所表现出的思想精神是“在逆境中焕发出积极的用世精神”。
【单选题】
The stockholders except the chairman of the board whom they elected to organize, direct,________, and supervise the operation of the company.