She offered me practical __________ with my research, for which I would appreciate for my whole life.
| A．conduct |
| B．certificate |
| C．admiration |
| D．assistance |
Tom gave Helen an apple in exchange for a piece of cake.
| A．交换 | B．改变 |
| C．娱乐 | D．教育 |
He sat down at his desk to figure out the exact figures.
| A．图表 | B．数字 |
| C．体形，身材 | D．人物 |
He's devoted his whole life to the protection of the rare animals.
| A．保护 | B．过程 |
| C．污染 | D．位置 |
It struck me that we ought to make a new plan.
| A．(钟表)敲，鸣 | B．（疾病）侵袭 |
| C．突然想到 | D．划火柴 |
The moment I saw him, he began to complain about the bad weather he had while traveling here.
| A．抱怨，埋怨 | B．引起，导致 |
| C．联系 | D．关心，担忧 |