题目内容

材料按其化学组成可以分为哪几种？

A.无机材料、有机材料
B.金属材料、非金属材料
C.植物质材料、高分子材料、沥青材料、金属材料
D.无机材料、有机材料、复合材料

查看答案

搜索结果不匹配？点我反馈

更多问题

1、My love is a red red rose. ( Robert Burns) ( )2、He jumped back as if he had been stung, and the blood rushed into his wrinkled face. ( )3、The cheque fluttered to the floor like a bird. ( )4、She is a cat. I don’t like her very much. ( )5、My 15 students read Emerson, Thoreau, and Huxley. ( )6、Time flies! ( ) 7、We all are wild with overjoy.ChinabeatCubain the Olympic Games.（）8、Long time no see/sea ( )9、He grandfather is a very nice man, but it is a great pity he passed away last year. （） 10、It is said all the sailors of that sunken ship became food of fishes. ( ）

10. Words like “watt”,“volt”,“ohm”are not the examples of words changing from proper nouns to common nouns.( )

9. Widening of meaning refers to the extension of the range of the lexical meaning. It is the most common features of the history of English words.( )

8. Words usually involved in conversation are nouns, verbs and adverbs. ( )