1. Yellow jackets number among the 900 or so species of the world's social wasp......
>>>請問這句話怎麼解釋??
2.Twenty-two feel long and 10 feet in diameter,the AM-1is one of the many new satellites that "are" part of a 15-year effort to subject the interactions of Earth's atmosphere,ocean,and land surfaces to details scrutiny form space
>>此為正確句子...但為何 " " 內是are (指satellites),而不是 is (指 am-1)??
3.So dogged were Frances Perkin's investigations of the garment industry,so peresistent her lobbying for wage and hour reform,that Alfred....
>> ,so persisitent her lobbying for wage and hour reform, 為何可以插入此句,文法上如何解釋??
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