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            • 1. -When did the tsunami hit Indonesia?
              -It was on 26th December        the concert was being held.(  )
              A.that
              B.while
              C.before
              D.when
            • 2.
              The boss of the company is trying to create an easy atmosphere __________ his employees enjoy their work.(  )
              A.where
              B.which
              C.when
              D.who
            • 3.
              Look out! Don’t get too close to the building ______ roof is under repair.
              A.whose
              B.which      
              C.of which       
              D.what
            • 4.
              It is in the stadium ________ is being built now ________ the sports meet will be held.(  )
              A.where; that
              B.which; that
              C.what; that
              D.that; there
            • 5.

              阅读下面材料,用不多于1个单词的正确形式填空

              It’s very important  61  we all recycle. In nature, everything is  62  (use) again.  63  example, when  64  (a) animal dies, it becomes another animal’s food. Nothing is wasted. But humans have created things like plastic bags  65  can’t be broken down(分解) by nature. Our rubbish kills animals and pollutes water and soil. If we continue making too much rubbish, the problem will only get worse. If nature can’t reuse the rubbish, we must recycle it. We should clean up the rubbish we’ve  66  (make) because nature can’t.

              Recycling is also the  67  (rightly) thing to do for another reason. The earth is rich in natural materials like water and  68  (tree), but these materials are not endless. We use up our natural materials much  69  (fast) than the earth is able to reproduce(再生)them.

              Recycling can help us save the earth,  70  let’s take action(采取行动) right now.

              (1)                                             
            • 6.

              Many of us were raised with the saying “Waste not, want not.” None of us, however, can 61   (complete) avoid waste in our lives.

                  Any kind of waste is thoughtless. Whether we waste our potential talents, our own time, our limited   62 (nature) resource, our       money, 63  other people’s time, each of us can become more aware and careful. The smallest good habits can make a big   64 (differ). It’s a good feeling to know in our hearts we are doing our best in a world  65  is in serious trouble. By being devoted to 66  (save) oil, water, paper, food, and clothing, we are playing   67 part in cutting down on waste.

                   We must keep reminding 68   (we) that it is easier to get into something than it is to get out of it. Actually, severe damage  69  (do) to our land is fairly recent in the history of our evolution. It’s time for us to say no to waste so that our grandchildren’s children  70  (be)able to develop well. We can’t solve all the problems of waste, but we can encourage mindfulness.

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