单项选择题

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

A. To categorize the different kinds of sharks.
B. To warn humans of the dangers posed by sharks.
C. To describe the characteristics of shark teeth.
D. To clear up misconceptions about sharks.
<上一题 目录 下一题>
热门 试题

单项选择题
A. Their prices are higher. B. People cannot telephone them. C. Their staff may take less trouble to satisfy customers. D. One has to queue up to pay in them.
A. Their prices are higher.
B. People cannot telephone them.
C. Their staff may take less trouble to satisfy customers.
D. One has to queue up to pay in them.
单项选择题
A. Her lab notes. B. A medical reference book. C. A homework assignment. D. The name of her doctor.
A. Her lab notes.
B. A medical reference book.
C. A homework assignment.
D. The name of her doctor.
相关试题