根据句意和所给首字母补全单词。(共15题,每小题1分,满分15分)Milk, water and oil are all l_____ while wood, iron and glass are solids.
You can easily find the site by entering the k_______ “Quark”.
Water is recognized as the s_____ of all life. Without it, there would be no life.
She was born in a (富裕的) family.
The old man had no a________ to education when he was young.
Helen is____________ (担心的) about traveling on her own.
I think it’s only an o_________ camera and I needn’t pay such a high price for it.
Living in the business d_______ of a city provides a great convenience for shopping.
As students, we must c____________ our attention on our lessons.
People are concerned about the quality of the air they___________ (呼吸).
Children should be encouraged to be __________(独立的)thinkers.
Helen is the most diligent shop____________ (助手) that I have ever seen.
She lost the d_______ necklace that she borrowed from one of her friends.
She has read many of the major works of _________ (文学).
The _________ (百分率) of overweight people around the world has been increasing these years.