单项选择题

A．A traffic guard.
B．A sociologist.
C．A student.
D．A salesperson.
<上一题 目录 下一题>
热门 试题

单项选择题
From Para. 1 we can infer that_______.
A．certain general is delivering a speech to his soldiers
B．the army is going to fight against the most deadly enemies
C．more and more people are needed to join the army
D．the author is trying to arouse people’’s awareness about the upcoming threat
单项选择题
It can be concluded that a concentration of carbon dioxide in the atmosphere would______.
A．mean a warming up in the Arctic
B．raise the temperature of the earth’’s surface
C．prevent the sun’’s rays from reaching the earth’’s surface
D．account for great changes in the climate in the northern hemisphere
相关试题