13、As more and more creatures  ___1__ extinction, many scientists try hard to save them, __2 ___ the public’s help to protect them.___3_, few people have any idea what ___4__ these creatures are.

I _5__ two foreign photographers worked together a couple of years ago and took pictures of those __ 6__ animals and plants. They later had a book published in order to introduce those creatures to the public.It is ___ 7_ that if we really want to protect and save endangered species, we have to get to know them first. In fact, about two-thirds of such creatures are plants. Some of them are so unusual but we don’t know they are so precious. We are not biologists, so how can we __8_?In short, it is necessary to make endangered species known to the public. We can increase people’s knowledge through _9_ and lectures.If we try to make it part of our __10__, we may have a chance to protect those valuable creatures.

1.       A. close        B. draw              C. near            D . access

2.       A.calling on    B. calling for      C. shouting to      D. reminding

3.       A.Therefore     B. However          C. No matter how    D. Somehow

4.       A. exactly      B. extremely        C. essentially      D. particularly

5.       A. hear of      B. heard about      C. heard            D . heard that

6.       A. scarce       B. seldom           C. rare             D. especial

7.       A. true         B. necessary        C. important        D. a pity

8.       A. say          B. tell             C. speak            D. remark

9.       A. performances B.  complaints      C. exhibitions      D. measures

10.    A. course       B. education        C. instruction      D. direction