______ is putting a lot of smaller firms out of business.

E-commerce is presenting a lot of new jobs at level.

Too much water leads to a reduction in strength of concrete.

It has been demonstrated through experiments that often when a native speaker mishears something, it is because the foreigner has put the stress on the wrong place, not because he or she has mispronounced the sound of the word.

Teaching is a stressful profession which makes _______ on personal qualities.

Part of the pleasure of starting university comes from social experiences with ______.

请将自己发表在4.3.2、4.5.1.2、4.5.2.2、4.5.3.2、4.5.4.2、4.5.5.2六个讨论区的帖子复制黏贴到一个word文档，以“专业+姓名+学号”重命名后提交。

My uncle Cassidy gives me money! Pigs might fly if they had wings.（提示：译文中增译连接词）