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）
【小题1】Milk, water and oil are all lliquids while wood, iron and glass are solids.
【小题2】You can easily find the site by entering the kkeyword “Quark”.
【小题3】Water is recognized as the ssource of all life. Without it, there would be no life.
【小题4】She was born in a liquids (富裕的) family.
【小题5】The old man had no awealthy to education when he was young.
【小题6】Helen isaccess (担心的) about traveling on her own.
【小题7】I think it’s only an oanxious camera and I needn’t pay such a high price for it.
【小题8】Living in the business dordinary of a city provides a great convenience for shopping.
【小题9】As students, we must cdistrict our attention on our lessons.
【小题10】People are concerned about the quality of the air theyconcentrate (呼吸).
【小题11】Children should be encouraged to be breathe （独立的）thinkers.
【小题12】Helen is the most diligent shopindependent (助手) that I have ever seen.
【小题13】She lost the dassistant necklace that she borrowed from one of her friends.
【小题14】She has read many of the major works of diamond (文学).
【小题15】The literature (百分率) of overweight people around the world has been increasing these years.
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解析：
【小题1】. Liquids 考查名词 句意牛奶，水和油都是液体而木头，铁和玻璃是固体。
【小题2】 keyword 考查名词句意你可以通过关键词Quark很容易找到地址。
【小题3】source 考查名词 句意 水被认为是生命之源，没有它，就没有生命。
【小题4】wealthy 考查形容词 句意 她出生富裕之家。
【小题5】access 考查名词句意这个老人当他年轻时没有接受教育。Have access to 有。。的机会。
【小题6】anxious 考查形容词句意海伦很担心一个人旅行。Be anxious about 担忧。
【小题7】ordinary 考查形容词 句意 我认为这是个普通的相机，我没有必要出很大价钱。
【小题8】district 考查名词 句意，住在商业区给购物提供了很大的便利。
【小题9】concentrate 考查动词。句意 作为学生，在上课时我们必须集中注意力。Concentrate on 集中注意力于。
【小题10】breathe 考查动词 句意 人们非常关心他们所呼吸的空气质量。They breathe 是the air 定语从句。
【小题11】independent 考查形容词。句意 孩子们鼓励做个独立的思考者。
【小题12】assistant 考查名词 句意 海伦是我见过最勤奋的助手
【小题13】diamond 考查名词 句意 她丢了她借来的钻石项链。
【小题14】literature 考查名词 句意 她读过很多的文学著作。
【小题15】percentage 考查名词 句意 近些年，肥胖的人的百分率在不断上涨。