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【简答题】
Professor Green, known to the world as a scientist, is not only absent-minded but short-sighted as well. His mind is always busy scientific problems and seldom notices what is going on him. One fine day recently, he went a walk in the countryside, but as he has a book in his hand. When he went out , he began to read his book . He hadn’t gone far he run into a big cow and fell down. In the fall, he had lost his glasses, without which he couldn’t see anything. He thought he had hit his head a fat lady. “I’m sorry, Madam.” He said politely searching for his glasses. As soon as he had , he realized his mistake. Soon he was fixing his mind on his book and paid no attention to anything else. He had scarcely been walking for five minutes when he fell over again, both his book and his glasses. This time he got very angry, seizing his umbrella, he gave the “cow” a wild blow. Then, after finding his glasses, he realized with horror that he made a second mistake. A large fat woman was fleeing from him in a horror. 小题1: A.to think B.thinking C.thinking about D.to think of 小题2: A.with B.around C.for D.at 小题3: A.for B.to C.towards D.over 小题4: A.also B.often C.ever D.usual 小题5: A.when B.while C.just then D.at that time 小题6: A.to B.against C.about D.onto 小题7: A.after B.in C.before D.during 小题8: A.put it on B.taken them off C.put them on D.taken them out 小题9: A.always B.again C.usually D.very much 小题10: A.holding B.getting C.finding D.losing
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【判断题】排入 III 类水体的废水执行《地表水环境质量标准》( GB3838-2002 )中的 III 级标准。
A.
正确
B.
错误
【简答题】1-3 某工厂有若干车间变电所,互有低压联络线相连,其中某一车间变电所,装有一台无载调压型配电变压器,高压绕组有+5%U N 、 U N 、 -5%U N 三个电压分接头,现调在主分接头“U N ”的位置运行,但白天生产时,变压器低压母线电压只有360V,在晚上不生产时,低压母线电压又高达410V。问该变电所低压母线电压偏差范围(%)为多少?宜采取哪些改善措施?
【简答题】20 ×9年4月5日,乙公司销售一批材料给甲公司,价款1 100 000(包括应收取的增值税税额),按购销合同约定,甲公司应于20×9年7月5日前支付价款,但至20×9年9月30日甲公司尚未支付。由于甲公司发生财务困难,短期内无法偿还债务。经过协商,乙公司同意甲公司用其一台机器设备抵偿债务。该项设备的账面原价为1 200 000元,累计折旧为330 000元,公允价值为850 000元。抵债设备已...
【单选题】X 线机中 X 线的量由哪个参数表示:
A.
kv
B.
mA
C.
mAs
D.
曝光时间
【简答题】某厂有若干车间变电所,互有低压联络线相连。其中有一车间变电所,装有一台无载调压型配电变压器,高压绕组有 +5% U N 、 U N 、 -5% U N 三个电压分接头。现调在主分接头 U N 的位置运行。但白天生产时,变电所低压母线电压只有 360V ,而晚上不生产时,低压母线电压又高达 410V 。问该变电所低压母线的昼夜电压偏差范围( % )为多少?宜采取哪些改善措施?
【判断题】排入III类水体的废水执行《地表水环境质量标准》(GB3838-2002)中的III级标准。
A.
正确
B.
错误
【判断题】直通车推广是通过展现付费的工具。
A.
正确
B.
错误
【简答题】某企业有若干车间变电所,互有低压联络线相连。其中某一车间变电所,装有一台无载调压型变压器,其高压绕组有+5%、0、-5%三个电压分接头。现调在主接头 “0”位置(即 U 1N )运行。但是该车间白天生产时,低压母线电压只有 360V,而晚上不生产时,低压母线电压又高达410V。问此车间变电所低压母线昼夜的电压偏差范围(%)为多少?宜采取哪些改善措施?
【判断题】直通车推广是通过展现付费的工具。( )
A.
正确
B.
错误
【简答题】某厂有若干车间变电所,互有低压联络线相连。其中某一车间变电所,装有一台无载调压型配电变压器,高压绕组有+5%UN、UN、-5%UN三个电压分接头。现调在主分接头“UN”的位置运行。但白天生产时,变电所低压母线电压只有360V,而晚上不生产时,低压母线电压又高410V。问该变电所低压母线的昼夜电压偏差范围(%)为多少?宜采取哪些改善措施?
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