2010职称英语考前每日一练［理工类第15期－Ａ级］[1]

the difference in structure. That is why the question 'Can dolphins speak?' can't be answered until we find out if dolphins not only make sounds but also arrange them in a grammatical order which affects their meaning.

　　16 The astronomer was not interested in the way dolphins communicate with each other.

　　A Right B Wrong C Not mentioned

　　17 The dolphin leapt up into the air because Sagan was too near the water.

　　A Right B Wrong C Not mentioned

　　18 Parts of the dolphin's brain are particularly well developed to handle different kinds of sound.

　　A Right B Wrong C Not mentioned

　　19 Dolphins are the most useful animals to humans.

　　A Right B Wrong C Not mentioned

　　20 Dolphins travel faster in water than any other animals.

　　A Right B Wrong C Not mentioned

　　21 Some scientists believe that dolphins have a language of their own.

　　A Right B Wrong C Not mentioned

　　22 Sounds can be called a language only when they have a structure and a grammar.

　　A Right B Wrong C Not mentioned

　　 答案

　　16. B　　17. B　　18. A　　19. C　　20. C　　21. A　　22. A