Question

World Wildlife Fund (WWF)'s goal is to save the world's environment. The organization was set up 1September 11，1961. In the beginning, WWF worked 2 the world's wildlife. Now, it works to save Earth3 its environment.
WWF has many tasks. One is to stop air pollution. Pollution from industry(工业) and cars is 4 to our environment. Each year, more and more trees are cut down 5WWF tries to protect Earth's forests.Also people use more land, more and more animals are 6 their homes and many die. WWF can buy important areas to 7 the land from disappearing because of human development.
WWF has completed many projects. In China, WWF works to save pandas from extinction(灭绝). 8South America，it works to save the Amazon Rainforest. Volunteers and donations help WWF complete its work. WWF's work is 9to our environment, and is also important for people to help them 10 time and money.

1. 1.
   1. A.
      in
   2. B.
      at
   3. C.
      on
   4. D.
      ／
2. 2.
   1. A.
      save
   2. B.
      to save
   3. C.
      saving
   4. D.
      saved
3. 3.
   1. A.
      and
   2. B.
      but
   3. C.
      or
   4. D.
      so
4. 4.
   1. A.
      harmed
   2. B.
      harmless
   3. C.
      harm
   4. D.
      harmful
5. 5.
   1. A.
      because
   2. B.
      because of
   3. C.
      so
   4. D.
      but
6. 6.
   1. A.
      lose
   2. B.
      losing
   3. C.
      lost
   4. D.
      loses
7. 7.
   1. A.
      give
   2. B.
      provide
   3. C.
      prevent
   4. D.
      protect
8. 8.
   1. A.
      At
   2. B.
      On
   3. C.
      In
   4. D.
      To
9. 9.
   1. A.
      hard
   2. B.
      important
   3. C.
      easy
   4. D.
      useful
10. 10.
    1. A.
       on
    2. B.
       about
    3. C.
       at
    4. D.
       with

Answer 1

CBADC BCCBD
1.在具体一天的前面用用介词on，故选答案为C
2.主要考查的是动词不定式短语表示目的状语，故选答案为B
3.本题中需要的引导的连接词为and，表示并列的意思。
4.do harfful to ，表示对于···他人，表示对于他人有害处。
5.前后两句子的关系为并列关系关系，故选and，答案为C
6.本题应该用现在进行时，其结构为主语+be+doing ，故选答案为B
7.prevent sb from  doing表示阻止某人做某事。
8.在某个地名用介词in，表示在···地方，故选答案为C
9.be important to sb，表示对于某人是重要的，故选答案为B
10.help sb with sth，表示在某些方面帮助某人。