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. ___ by the advances in technology, many farmers have set up wind farms on their land.
| A．Being encouraged | B．Encouraging | C．Encouraged | D．Having encouraged |
Carelessness always contributes _______ car accidents. Therefore, drivers are advised to concentrate their attention _______ driving.
| A．for; to | B．to; on | C．with; on | D．in; to |
With a lot of difficulties _______, they went to the seashore and had a good rest.
| A．settled | B．settling | C．to settle | D．being settled |
The number of people present at the meeting _______ two hundred and a number of them _______ from the countryside.
| A．is, are | B．is, is | C．are, are | D．are, is |
Giving up smoking is a slow and painful _______ for him.
| A．pressure | B．process | C．motivation | D．profession |
Busy _______ he was, he managed to spare some time to help plan the project.
| A．while | B．although | C．as | D．when |