下列分离过程中属机械分离过程的是（）。 A.蒸馏 B.吸收 C.膜分离 D.离心分离 发布时间：2019-01-30 21:51 │ 来源：www.tikuol.com 题型：单项选择题 问题： 下列分离过程中属机械分离过程的是（）。A.蒸馏B.吸收C.膜分离D.离心分离
题型：单项选择题 完形填空。 The English language is different from any other language. Yet English words do not 1 the same. It is always 2 . People need new words 3 new inventions and new ideas. Different words come into use or older words are used in a new way. English can change by borrowing words from other languages. The word "tomato" was borrowed fromMexico, the word "coffee" came from Turkey, and "tea" from 4 and so on. Now new space and science words 5 from other countries, too. New words are also made by adding two words 6 . The words "strawberry", "postman" and "blackboard" are made up of two parts. Sometimes new words are 7 forms of old words. The word "photo" was made from "photograph" by cutting off the 8 of the long word. The word "plane" was made by cutting off the 9 part of "airplane". While "smog" was made by using only the first two letters of "smoke" and cutting off the front part of "fog".And products can become new words. Our "sandwich" was named after 10 named Sandwich, and "jelly (果冻)" was a name made up by the company that first made this product. ( )1. A. leave ( )2. A. keeping ( )3. A. for ( )4. A. India ( )5. A. are borrowing ( )6. A. alone ( )7. A. longer ( )8. A. beginning ( )9. A. back ( )10. A. a man B. change B. changing B. of B. America B. are being borrowed B. out B. middle B. end B. middle B. a kind of food C. stay C. kept C. with C. Germany C. borrow C. together C. never C. middle C. front C. a company D. use D. changed D. about D. China D. buying D. outside D. short D. front D. end D. a place 查看答案