五.fill in the blanks with the correct form of the verbs given in the
parentheses:(10％）
71._____(work) well, you must love your work deeply.
72.he has already made up his mind. it’s no use ______(try)to persuade him.
73.the students _______(cover)the whole course before they take the examination.
74.excuxe me,but it is time to have your temperature ______(take).
75.the teacher,_____(not know) whether anyone come to his aid,had to prepare for
the experiment by himself.
76.how many times have i told you ____(not play)football on the main road?
77._____(lack) bikes and motors, we must get on without them.
78.mr.green ran all the way up to the station only _____(find) that the train
had left fifteen minutes before.
79.don’t you remember ______(see)the film before?
80._______(rush) through daytime meals is part of the fast pace in america.
六、translate the following into chinese:(10%)
81.by comparison there occurred an 89 percent reduction in printed-circuit-board
area. even more important, system-design time was saved because the ic counters
were already designed; production assembly labour time was reduced because only
four commponents must bemounted as compared to 280 originally.
82.it is common practice to show a block diagram of these basic functional units
of a computer (i.e., a memory unit, an input-output unit, an arithmetic unit,
and a control unit), such as figure 1.2.1, which indicates their basic
interconnection.