The millionaire insisted that he _____________ (invest) money in shares, mines and railways.

Coal mines are ugly, and their (develop)________________ has a serious effect on animal and plant life.

The hillside open mines's ramp usually adopts the inversion type or the combined type of direct feed and inversion.

The hillside open mines's ramp usually adopts the inversion type or the combined type of direct feed and inversion. A: 正确 B: 错误

It can be inferred from the passage that, before the Progressive Movement, educated women of the middle class were expected to （） A: stay out of politics B: vote on municipal issues only C: pay a tax in order to vote D: improve conditions in mills and mines

Brindley had begun on his own account, out of interest, to survey the waterways thathe travelled as he went about his engineering projects for mills and mines.______ A: 布林德雷为了自己的利益和兴趣，开始对沿途经过的河道进行勘察，并为他的磨坊和矿井建筑工程到处奔走。 B: 布林德雷在为他的磨坊和矿井建筑工程到处奔走的同时，出于自愿和兴趣，对沿途经过的河道进行了勘察。 C: 出于自愿的兴趣，布林德雷开始对沿途经过的河道进行了勘察的同时，也为他的磨坊和矿井建筑工程到处奔走。 D: 出于自身利益和兴趣，布林德雷开始为他的磨坊和矿井建筑工程到处奔走，并对沿途经过的河道进行了勘察。