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Scientists are carrying __小题1:_____ experiments into using spiders’ cobweb to produce __小题2:____(extreme ) thin wire. The research _小题3:____( conduct) by researchers from Germany. They have developed __小题4:___process for reducing spiders’ silk _小题5:___about one twentieth of its normal diameter.
__小题6:___ is hoped that this new wire will be effective in the __小题7:____(grow) field of micro-electronics. They have collected data on the properties of spider silk. Their work has found evidence _小题8:____ the silk of the black widow spider would be the __小题9:____ (idea)material for the new “nanowires”. It seems even the deadly black widow can serve the cause __小题10:___ the scientific progress.

小题1:out
小题2:extremely 
小题3:is being conducted
小题4:a 
小题5:to
小题6:It
小题7:growing
小题8:that
小题9:ideal
小题10:of

试题分析:
小题1:Carry out是固定用法,意思是进行。
小题2:修饰thin,用副词形式。
小题3:表示现在进行的动作,且是被动,故用现在进行时的被动式。
小题4:表示泛指,故用不定冠词a。
小题5:句意:到标准直径的二十分之一,所以填to。
小题6:这里用作形式主语,故用It。
小题7:表示主动,正在进行,故用现在分词。
小题8:这里含有同位语从句,且引导词在从句中既不作任何成分,也没有实际意义,故用that。
小题9:修饰名词,故用形容词。
小题10:表示……的,用of。
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