1. Corn originated in the New World and thus was not known in Europe until Columbus found it _A_ in Cuba.
A being cultivated B been cultivated C having cultivated D cultivating
2. The sale usually takes place outside the house, with the audience _C_ on benches, chairs or boxes.
A having seated B seating C seated D having been seated
注意:seat是及物动词,及物动词用主动形式,后面要直接加宾语。
Be seated please. 请坐。 英语中只有及物动词才有被动语态。
3. This kind of glasses manufactured by experienced craftsmen _B_ comfortably.
A is worn B wears C wearing D are worn
当wear表穿戴时,而句子的主语是被穿戴的东西时,wear是不及物动词,没有被动语态。
4. The coming of the railways in the 1830s _A_ our society and economic life.
A transformed B transported C transferred D transmitted
字根trans在四级中着重考的含义是“从一个地方到另一个地方”。
transform 改革,变革,改变; transport 运输; transfer 转移,移动;
transmit 传送,播送;疾病的传染,传播; transplant 移植。
5. Some diseases are _D_ by certain water animals.
A transplanted B transformed C transported D transmitted