[ A] had gone
[ B] went
[ C] was going
[ D] would have gone
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In the text, the sufferings of the poor are descnbed as _______ .
[ A] one misfortune leading to another
[ B ] being the result of unemployment
[ C] caused by the lack of social care
[ D ] becoming more widespread
The text is probably written as
[A] a report of scientific progress to the general public.
[ B ] an academic discussion of new possibilities in genetic science.
[C] an argument for using pigs over sheep as transplant materials.
[D] a look into advantages and disadvantages of cloning technology.
下图是网络地址转换NAT的一个示例。
图中①和②是转换前后的地址,它们依次应为()。
A. 10.0.0.0,3342和202.0.1.1,5001
B. 202.0.1.1,5001和10.0.0.1,3 342
C. 135.2.1.1,80和10.0.0.1,3 342
D. 10.0.0.1,3342和135.2.1.1,80