1.到本学期末,他们将学完30门课程: k" j8 U2 y+ ^& p# e$ z
# _% L2 L9 k9 ]7 Dwhen the end of the school term, they will be completion of 30 courses.
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2.在20世纪四十年代,IBM设计出了第一代电子计算机' g% X2 P- X% t2 O$ S5 {
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in the 1949s, IBM designed the first generation of computer
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3.我们之前做过那个实验
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in this experiment, we have done the same.
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: K9 s7 p0 U! k9 A6 G& `8 _$ W- v4.早在十九世纪二十年代,人们就认识到这一现象非常有用; s* t' V4 O" L2 \$ D
0 ^2 j; ~7 |) \: _5 Uas early as the 1820s, it was recognized that this phenomenon is very helpful.( t. _6 \( b$ ?! _1 d1 {# T
1 m4 z7 L L+ {) F4 B, }0 n8 D5.如今,计算机在各个领域广泛应用
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nowadays, computer is widely applied in various fields* T6 a% J* }/ [( E, M$ |5 c
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6.Experience more than sufficiently teaches that men govern nothing with more difficulty than their tongues. $ r, u* n5 Z6 Q* k
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身体力行强于嘴上功夫/ p4 q, S2 L# X$ F4 e. a
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