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翻译 说 到 中国古代的科技文明,人们自然就会想到 “ 四大发明 ” ,即指南针,火药,造纸术和印刷术。这四种发明是古代中国先进科技的象征,具有重大的历史意义, 它 们对中国古代政治,经济,文化的发展产生了巨大的推动作用,也对世界的文明进程产生了巨大影响。 四大发明是中国人对世界文明的伟大贡献。
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举一反三
【单选题】听力原文：M: It's nice and quiet here, away from the dust and noise of the city. And our apartments are new and well-furnished. W: It's a good place except it's a bit far from the place where we work. Anyw...
A.
Looking for an apartment.
B.
Taking a suburban excursion.
C.
Looking for a job.
D.
Asking the man for his opinions.
【简答题】We failed to __________ her of her shortcomings. 2. Everyone has his problem to ________. 3. Air pollution has become a ________ threat. 4. I have no money to ________ into his company. 5. I think...
【简答题】标志寄存器是16位寄存器,它有6个状态标志和3个控制标志,其中:CF为_____标志位,ZF为_____标志位,OF为_____标志位,IF为_____标志位。
【简答题】Directions:There are 5 incomplete statements here.You should fill in each blank with the proper form of the word given in brackets.Write the word or words in the corresponding space on the Answer Shee...
【简答题】CF为( )标志位
【单选题】听力原文：M: It's nice and quiet here, away from the dust and noise of the city. And our apartments are new and well furnished. W: It's a good place except it is a bit far from the place where we work. Any...
A.
Looking for an apartment.
B.
Taking a suburban excursion.
C.
Asking the man for his opinions.
D.
Looking for a job.
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