练习题: exercises; problems of an ex ...答案: answer; solution; key练习题: exercise c.n; problem sets本题答案是: can't have seen试题答案: key to tests练习答案: answer key; answers; key to the exercises练习的答案: key to an exercise练习及答案: worksheet and answer key英语初二上练习题: module 11单元3有机化学介绍-试题答案: unit 3 introduction to organic chemistry练习参考答案: answer to exercises; key to the exercises题答: inscription for the cover (of a book); inscribe the cover of a book习题: example; exercises (in school work)◇习题解答 key to the exercises单元2基础物质和无机化学-试题答案: unit 2 foundation physical and inorganic chemistry单元4进阶物质和有机化学-试题答案: unit 4 further physical and organic chemistry单元5热力学和进阶无机化学-试题答案: unit 5 thermodynamics and further inorganic chemistry实验室习题, 实验室用练习手册: laboratory exercises英语复习九年级英语上册练习题: unit 2 topic 3答案: answer; solution; key 练习的答案 key to an exercise; 找到问题的答案 find a solution to the problem; 那只有一个答案。 there is only one answer to that复习题: review questions; revision exercises习题课: uninadvertise练习: 1.(反复学习) practise; practice 练习讲英语 practise spoken english; do practice in speaking english; 练习射击 practise marksmanship; 练习写文章 practise writing; 他正在练习自卫术。 he's practising up on the art of self-defence.2.(习题或作业等) exercise 算术练习 arithmetic exercises; 做练习 do exercises; 他正忙于做法语练习。 he is engaged in doing his french exercises.; 练习簿 exercise-book; 练习场地 driving range; list; 练习器 [计算机] exerciser; 练习曲 [乐] etude; 练习题 exercises; problems of an exercise; practice exercise; 练习行军 practice march任选习题: optional exercise习题教程: catia; topsolid习题解答: b answers to exercises; key to the exercises