单项选择题

Questions 19 to 21 are based on the passage you have just heard．

A．about 12:00 AM
B．about 3:00 AM
C．about 5:00 AM
D．about 24:00
<上一题 目录 下一题>
热门 试题

单项选择题
Which of the following best describes the organization of the passage
A．Step by step description of the evolution of marine biology．
B．Discussion of chronological events concerning oyster production．
C．Random presentation of facts about oysters．
D．Description of oyster production at different geographic locations．
单项选择题
Which of the following would be the best title for the passage
A．The Threatened Extinction of Marine Life．
B．The Cultivation of Oysters.
C．The Discoveries Made by Marine Biologists.
D．The Varieties of Wild Oysters．
相关试题