7．
a，a small quantity of，some，another，much，other
(1) Could I have______________beer please?
(2) One man’s meat is ______________man’s poison.
(3) I have ______________pleasure in declaring the new factory open.
(4) Some countries are rich.______________countries are poor.
(5) She ate ______________________rice so that she could slim.
(6) ______________one-year-old child was reported to have been left alone for over two days.