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            • 1.

              Special attention should be paid to ________ forests from fires in winter.

              A.protected
              B.protecting
              C.protects
              D.protect
            • 2.

              China will stay firmly _______ to strengthening its own nuclear security capability, ________ the government’s regulatory capacity and ______ investments in relevant technological development and human resources.

              A.committed; enhance; increase
              B.committing; enhanced; increasing
              C.committing; enhance; increase
              D.committed; enhancing; increasing
            • 3.

              I prefer________ at home to ______outside.

              A.staying,playing
              B.to stay,play
              C.staying,play
              D.to stay,playing
            • 4.

              It is not easy to reach the top of the mountain, but it’s well worth ____.

              A.to climb
              B.being climbed
              C.climbing
              D.climbed
            • 5.

              Only one of these books is ______________.

              A.worth to read
              B.worth being read
              C.worth of reading
              D.worth reading
            • 6.

              ________ tablet computers like Apple’s iPad just before bed, a research says recently, can lead to poor night’s sleep.

              A.Using
              B.Used
              C.To use
              D.Use
            • 7.

              ________today’s ceremony of our school’s 100th anniversary are our honored alumni from home and abroad with success in all walks.

              A.Attended
              B.Attend
              C.Attending
              D.To attend
            • 8.

              CCTV says that a storm will hit our city. In order to avoid________, we must take our raincoat  with us.

              A.to catch
              B.catching
              C.to be caught
              D.being caught
            • 9. Anything worth _______ is worthy of __________ well.(  )
              A.doing;to be done
              B.doing;doing
              C.to be done;to be done
              D.doing;being done
            • 10. It's no use ______ without taking action.(  )
              A.complain
              B.complaining
              C.being complained
              D.to be complained
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