单项选择题

A．When the Earth was formed.
B．The composition of the Earth’s interior.
C．Why molten rock is hot.
D．How often a volcano is likely to erupt.
<上一题 目录 下一题>
热门 试题

单项选择题
A．Look for the umbrella in the theater. B．Ask the ticket seller about the umbrella. C．Buy another ticket for the show. D．Go back to her chair to get the umbrella.
A．Look for the umbrella in the theater.
B．Ask the ticket seller about the umbrella.
C．Buy another ticket for the show.
D．Go back to her chair to get the umbrella.
单项选择题
A．It can be seen from an airplane. B．It’s most likely polluted. C．It’s usually a bright green color. D．The supply of it may be exhausted soon.
A．It can be seen from an airplane.
B．It’s most likely polluted.
C．It’s usually a bright green color.
D．The supply of it may be exhausted soon.
相关试题