1. 到本学期末,他们将学完30门课程6 u* w6 S: G [8 R
They will have finished 30 courses in this semester last stage.
8 q0 \3 l* E6 f2.在20世纪四十年代,IBM设计出了第一代电子计算机+ u8 c4 w. @, n1 l/ M! E
In the 20 century 40s,IBM had worked out the first generation computer.
9 U7 x6 h( N. s9 U) L, |3.我们之前做过那个实验
8 b5 r% @& o' h5 }% Swe had did that experiment.( _$ h |* R4 O8 Q0 l( p
4.早在十九世纪二十年代,人们就认识到这一现象非常有用/ ?4 N6 P G2 B/ K& [( A
As early as the nineteen century 20s,people had realized that this phenomenon is very useful., l1 O2 a- |- E! y8 X. c( J0 z
5.如今,计算机在各个领域广泛应用
6 u, M6 u' D6 }# N) @! M1 I) VNowadays, computer was wide use in every field.
- T, L( B) N4 q" n' f8 Y) v: B D6. Experience more than sufficiently teaches that men govern nothing with more difficulty than their tongues.
_2 y4 \: I% s7 |) @; ]经验告诉我们沉默是金$ v/ Y5 O9 U7 Y5 {) A
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