题目内容
All passengers _______, please fasten your seat belts and remain seated _______ the plane is landing.
| A．on board; until | B．abroad; since | C．on the board; before | D．aboard; when |
D
解析试题分析：句意：所有机上的乘客，请系好安全带，当飞机着陆额时候仍然要坐着。on board 在此处相当于aboard，表示"在飞机上"。第二个空填when，指当飞机着陆的时候。选D。
考点：考查副词和连词
He likes sports, ________ I’d rather play games on computers.
| A．as | B．while |
| C．however | D．even if |
--When were the soldiers sent to the earthquake-stricken area?
-- _______ the earthquake broke out.
| A．Shortly | B．Unfortunately | C．Straight | D．Directly |
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| A．though | B．too | C．somehow | D．either |
The problem was very difficult to handle．We worked it out，__________ ．
| A．too | B．yet | C．although | D．though |
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| A．one third as much as | B．as one third much as |
| C．as much as one third | D．as much one third as |
The new bridge is ________ the one built last year.
| A．three times width of | B．three times that of |
| C．three times the width | D．three times the width of |
There is no doubt that I'm trying to do what is best, but ________ I have got to consider the cost.
| A．merely | B．equally |
| C．nearly | D．mostly |
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| A．mainly | B．slightly |
| C．widely | D．deeply |