题目内容
12．Learning isendless（无止境）．We must work hard．分析 学习无止境，我们必须努力学习．
解答 答案：endless；根据句中信息Learning is…可知该空应填形容词形式；根据汉语提示，"无止境的"翻译为：endless，形容词；故填：endless．
点评 平时多积累词汇是作答该题的前提，其次要结合句意，根据语法要求，运用所给单词的适当形式作答．
练习册系列答案
相关题目
17．Zhuzhou→Beijing
54．Which train needs the longest time？C
A．K158
B．T146
C．K600
55．Which train leaves in the morning？A
A．K158
B．G68
C．G422．
| Train No | Leave | Arrive | Travel time | Ticket price （yuan） | ||
| Hard seat | Hard sleeper | Soft sleeper | ||||
| K158 | 10：36 | 05：52 | 19hr 16min | 192 | 351 | 541 |
| G68 | 13：38 | 20：56 | 7hr 18min | 666 | / | / |
| G422 | 13：43 | 21：09 | 7hr 26min | 666 | / | / |
| T146 | 16：34 | 10：52 | 18hr 18min | 192 | 351 | 541 |
| K600 | 22：24 | 21：00 | 22hr 36min | 192 | 351 | 541 |
A．K158
B．T146
C．K600
55．Which train leaves in the morning？A
A．K158
B．G68
C．G422．
18．The policeman has caught the thief _____stole Mr．Li's wallet．（ ）
| A． | whose | B． | who | C． | whom | D． | which |