单项选择题

Passage Two
Questions 29 to 31 are based on the passage you have just heard.

A. Introduction to a Canadian engineer.
B. Invention of a new type of computer.
C. Treatment of carpal tunnel syndrome patients.
D. Development of a nose-driven mouse.
<上一题 目录 下一题>
热门 试题

填空题
36（）
单项选择题
A. To keep the animals under control. B. To have music for the visitors. C. To provide the animals with special sound effects of their natural surroundings. D. To record the conversations of the visitors.
A. To keep the animals under control.
B. To have music for the visitors.
C. To provide the animals with special sound effects of their natural surroundings.
D. To record the conversations of the visitors.
相关试题