中央经济工作会议把“降成本”作为今年经济社会发展特别是结构性改革的五大任务之一，并提出要开展降低实体经济企业成本的行动。降低企业成本的经济手段有（  ）

①树立良好的企业信誉            ②降低企业贷款利率

③降低增值税税率                ④减少行政审批权

完形填空

    What can people do when natural disasters (灾难) happen? Can we stop them? No, we can't. The only thing we can do is to   1    after the disasters.

    Last year I met Mr. Flood. It started raining and    2    raining almost a month: the water on the streets got higher and higher every day. We used   3   instead of cars. We lost lots of things, including our businesses, our jobs and our homes.Schools   4   and farms were destroyed. We ran out of food and clean water. In some places the water was higher than the buildings. I felt like we lived in a(n)    5    world.

    Because of the flood, lots of   6    broke out. Some people   7   . The soil and other things made the water become very, very    8   . That was in summer time, so though it was raining, the   9    was still high. The hot weather and dirty water   10    the air very bad. Hospitals didn't have enough rooms for   11   .

    When the flood was over, I looked around my city. The word “   12  ” can describe the situation. Everything was destroyed and lots of people were sick, but we were very  13  , I think.We had to   14    our city, take care of the sick people, and start our schools again. I just

   15    that one day, people can stop the natural disasters whenever they happen. After all, people are very clever.

中医常通过“切脉”来推知体内各器官的健康状况，“切脉”常见的部位是（    ）