单项选择题

A. To explain how winds cause turbidity currents.
B. To remind the student where ocean sediments originate.
C. To explain the effects of turbidity currents.
D. To remind the student about the next assignment.
<上一题 目录 下一题>
热门 试题

单项选择题
A. Because it is fun. B. Because they are forced to clean themselves. C. Because they’re proud of their pretty feathers. D. Because they have an instinct for cleanliness.
A. Because it is fun.
B. Because they are forced to clean themselves.
C. Because they’re proud of their pretty feathers.
D. Because they have an instinct for cleanliness.
单项选择题
A. The woman walks too quickly. B. The woman is a fast talker.C. The woman couldn’t walk. D. The woman walks slowly.
A. The woman walks too quickly.
B. The woman is a fast talker.
C. The woman couldn’t walk.
D. The woman walks slowly.
相关试题