问题
不定项选择
唐代大诗人李白的“飞流直下三千尺,疑是银河落九天”,描述了庐山瀑布的美景,如果三尺为1m,则水落到地面的速度约为(视为自由下落)
[ ]
A.100m/s
B.300m/s
C.200m/s
D.140m/s
答案
答案:D
唐代大诗人李白的“飞流直下三千尺,疑是银河落九天”,描述了庐山瀑布的美景,如果三尺为1m,则水落到地面的速度约为(视为自由下落)
[ ]
A.100m/s
B.300m/s
C.200m/s
D.140m/s
答案:D
完形填空。 | ||||
Dick was a clever boy, but his parents were poor, so he had to work 1 his spare time and during his holidays to 2 his education. 3 this, he 4 get to the university, but it was 5 expensive to study there that during the holiday he found 6 necessary to get two jobs 7 the same time 8 make enough money 9 his studies. One summer he managed to 10 a job in a butcher's shop (肉店) during 11 , and another in a hospital 12 . In the shop, he learnt to cut meat quite nicely, so the butcher often 13 him doing all the serving 14 he went to the back room to do the accounts (账目). In the hospital, 15 , he was, of course, allowed to do the simplest jobs, 16 helping to lift people and to 17 them from one part of the hospital to another. Both at the butcher's shop and at the hospital, Dick had to 18 white clothes. One evening at the hospital, Dick had to help a woman from her bed to the place 19 she was to have an operation. The woman was already feeling frightened at the 20 of the operation before he came to get her, but when she saw Dick, she fainted away (晕过去). | ||||
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