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
题目分析：
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。