问题
选择题
Not all ads are used to promote a product or to increase a company’s profits. Which is the following statement correct?
A．All the ads are used to promote a product or to increase a company’s profits.
B．Neither of ads are used to promote a product or to increase a company’s profits.
C．Some of ads are used to promote a product or to increase a company’s profits.
D．None of ads are used to promote a product or to increase a company’s profits.
答案
答案：C
此题考查not 与all连用表示部分否定，意为：并非所有的都，意思是一部分是，一部分不是，句意：并不是所有的广告都被用来促销产品或增加公司的利润，根据语境选C。