Manypeoplesaydolphinsareveryintelligent（聪颖的）．Theyseemtobeabletothink，understand，andlearnthingsquickly．Butarethey（81）clikehumansormorelikecatsordogs？Scientistssaydolphinintelligenceis（82）

Question

   Many people say dolphins are very intelligent （聪颖的）．They seem to be able to think，understand，and learnthings quickly．But are they （81）c___like humans or more like cats or dogs？Scientists say dolphin intelligence is （82）s___to human intelligence in some ways．How？
      Like humans，every dolphin has a"name"．（83）I___is a special whistle （哨声）．Scientists think dolphins，like people．"（84）t___"to each other about a lot of things，such as their age，their feelings，or finding food．And，like humans，dolphins use a system （系统） of sounds and body language to （85）c___．But understanding their conversations is not easy for humans．No one"speaks dolphin"yet，but some scientists are trying to learn．
      Dolphins are also social animals．They live in groups，and they often come to play games from different groups and have （86）f___just like people．In fact，playing （87）t___is something only intelligent animals do．
      Dolphins and humans （88）b___make plans to get something they want．In the seas of southern Brazil，dolphins use an interesting way to get food．When fish are （89）n___a boat，dolphins signal （发信号） to the fishermen to put their nets （网） in the water．And the men can catch a lot of fish．What is the advantage for the dolphins？Why do they （90）h___the men？The dolphins can get some of the fish．

Answer 1

81．clever 考查形容词及语境的理解．这是一个一般疑问句，是用be动词提问的，所以此处应该是形容词，结合句意：但是它们是像人类一样聪明，还是更像猫或狗？故填clever，聪明的．
82．similar 考查形容词及语境的理解．结合题干可知此处是be similar to词组，和…相似，结合句意：是海豚的智力在某些方面与人类相似．根据首字母可知填similar，相似的．
83．It   考查代词及语境的理解．联系前一句Like humans，every dolphin has a"name"．和人类一样，每只海豚都有一个名字．可知此处代词指的是海豚，根据首字母可知填单数人称代词It，它．
84．talk  考查动词及语境的理解．talk to和…说话，结合句意：科学家们认为海豚像人一样"互相交谈"许多事情．根据首字母可知填动词talk，讨论．
85．communicate    考查动词及语境的理解．联系前文描述，可知此处指的是海豚用这些声音系统和肢体语言来进行交流．本句中to是不定式符号，后面动词用原形．根据首字母可知填原形动词communicate，交流．
86．fun   考查固定词组及语境的理解．have fun 玩得高兴，海豚也会进行享乐．根据首字母可知填fun，乐趣，玩笑．
87．together   考查副词及语境的理解．play together 一起玩，空格前是动词，此处应该是副词，结合句意：在一起玩是只有智力动物才做的事情．结合语境及首字母可知填副词together，一起，同时；
88．both   考查代词及语境的理解．结合句意：海豚和人类都能制定计划，结合语境及首字母可知填副词both，两者都．
89．near  考查介词及语境的理解．联系下文，可知此处指的是当鱼类靠近船舶时．根据首字母可知填介词near，在…附近．
90．help   考查动词及语境的理解．联系前文描述，可知此处指的是，他们为什么帮助人类．结合前文助动词do及首字母可知填原形动词help，帮助．