分析推理是化学学习中常用的思维方法，下列说法正确的是()
解：A、碱性溶液能使酚酞试液变红，滴入酚酞试液后变红的溶液一定呈碱性，该选项说法正确;
B、燃烧都伴随着发光、放热，但是有发光、放热现象的不一定是燃烧，例如电灯通电时发光，放热，不是燃烧，该选项说法不正确;
C、盐是由金属阳离子和酸根阴离子组成的，硝酸铵中虽然没有金属阳离子，但是属于盐，该选项说法不正确;
D、分子、原子都是不显电性的粒子，但不显电性的粒子不一定是分子或原子，例如中子不显电性，该选项说法正确.
---Do you often get on-line?
---Yes.I ______ most of my time on it .It’s a good way to kill the time.
The children ______ not to play with the fire .
An earthquake _______ Dachaidan County in Qinghai province on the morning of April18.
---There’s going to ______ a concert in the hall tonight.
---Yes, and the last performance will be given by Michael Jackson.
---Could you tell me how to improve spoken English ?
---Well,just take every chance to practise ______and don’t be shy.
A number of people in Beijing ______ caught SARS and the number of the people who died of SARS _____ reached nearly one hundred so far.
Roy made several kites ,but _____ of them can fly high in the sky.
Those_____ have caught SARS disease must be kept off from us.
---May I ______ your dictionary for a while?
---Sorry, I’ve left it at home.
---You’ve dropped _____ “s’’ in the word “acros’’.
---Oh, ____ letter “s’’ should be doubled like this “across’’.
