题目

American summers are filled with outdoor picnics, baseball games and swimming pools. Summer in America is a time 【小题1】________ the outdoors, no matter how hot it might be. Let’s take a look at some of the popular drinks. Lemonade is 【小题2】________ of all American summer drinks. It 【小题3】________ by mixing lemon juice, water and sugar. It is usually served very cold, with ice.Ice tea is 【小题4】________ popular summer drink in America. Ice tea is usually 【小题5】________ in a tall glass of ice. Many Americans 【小题6】________ to add sugar to sweeten the dr 以下关于氢气分子中成键状况的表达错误的是 [　　] A． B． C． H∶H D． H－H