选词填空 根据短文内容，从方框中选择恰当的单词完成句子并填写在答题卡对应的横线上。部分单词在填入前需进行词形转换,每个单词只能用一次,每空只能写一词。                                                                

      It is very    ____ to deal with the rubbish in cities. This is because rubbish not only pollutes the environment but also does harm to people's   ____ . We are trying to find some ways of dealing with the rubbish. First, the rubbish can be divided into different kinds. Newspaper and glass can be  ____ . Used tins can be made into beautiful handicrafts（手工艺品）. Polluted water is a big ____ . It must be dealt with properly before we let it flow into the river. Some harmful rubbish can be buried（埋）so that it will cause ____ pollution.

阅读下面短文，掌握其大意，然后从各题所给的四个选项中选出一个最佳答案。

    One night in November, Itzhak Perlman gave a concert in a theatre. If you have ever been to a Perlman concert, you know that becoming a violinist is not a small 1 for him. He had to walk 2 the help of two walking sticks as a result of the disease he caught as a child.

    People sat 3 while he made his way to his chair and began his play. But this time, something went 4. Just as he finished the first few parts of the music, one of the wrings(弦) on his violin 5. We thought that he would have to stop the concert. But he didn't. 6, he waited a moment, closed his eyes and then 7 the conductor(指挥) to begin again. The orchestra(管弦乐队) began and he played with such strong feeling and purity as they had 8 heard before.

    Of course, everyone knows that it is 9 for a violinist to play a pleasant work with just three strings. I know that, and you know that, 10 that night Itzhak Perlman didn't want to accept that.

    When he finished, there was a terrible 11 in the room. And then people rose and 12 from every corner of the theatre.

    Perlman was excited. He smiled and said, "You know, sometimes it is the artist's task to 13 how much music you can still make with what you have left."

    So, suppose our task in this fast-changing world is to make 14, at first we should try out best with all that we have. And then,    15 it is no longer possible, try to play it with what we have left.

当你将整个身体垂直吊在单杠上时，上臂肌肉所处的状态（如图）是（    ）

地面某个点高出海平面的垂直距离称为（　　）