a 与b 是两个正整数， a+b=?
(1).a/b=5/8
(2).a 与 b的最大公因子是 1。
A、条件(1)单独就能充分回答问题，且条件(2)单独不能充分回答问题;C
暂无解析
Tounderstandthesentence,youshouldanalyzeitsparts________.
Thenewdiscovery_______beofgreatservicetomankind.
改写病句：Peterorderedthemealforhisfriendsrangingfromfriedshrimptochoppedbeef.
Theboycomplained_______apaininhisstomach.
改写病句：OneofJenny’greatestsjoysinlifeiseatingdesserts.Suchasmilkshake,cookiesorstrawberrycake.
