81. Male and female students are quite different from each other ______ the age at which they begin to develop an intellectual self-discipline.
|
A．with regard to |
B．in the light of |
C．in honor of |
D．on account of |
79. Ming and Qing tombs have ______ relatively undamaged. They, ______, have suffered some damage from centuries of exposure, wars and deliberate destruction.
|
A．left; nevertheless |
B．been remained; however |
|
C．survived; though |
D．excited; yet |
78. --- You _____ repay this debt this week according to the agreement.
--- Don’t worry. I _______ pay it off before the deadline.
|
A．must; will |
B．shall; must |
|
C．should; am due to |
D．shall; am bound to |
77. --- Have all the important letters been delivered at the first time?
--- I’m sorry. _______ only 40% of them.
|
A．It is |
B．They are |
C．There are |
D．It has been |
76. All flights _______ called off because of the terrible weather, they had to go there by train.
|
A．were |
B．had been |
C．being |
D．having been |
75. When on holidays, the railways put on _____ trains to make people’s travel more convenient.
|
A．regular |
B．special |
C．particular |
D．Unusual |
