________ 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 |
95. I never expected you to turn ____ at the meeting. I thought you were abroad.
| A．around | B．on | C．in | D．up |
94. I can hardly hear the radio. Would you please ____ ?
| A．turn it on | B．turn it down | C．turn it up | D．turn it off |
92. The international police has come into existence and they were ____ the key to global security.
| A．thus | B．for | C．or | D．Otherwise |
91. She likes to keep things rather than throw them ____ .
| A．out | B．off | C．down | D．Away |
90. ____ the work was very difficult, they managed to finish it in time.
| A．Because | B．Though | C．Therefore | D．But |