单项选择题


Questions 17 to 20 are based on the following interview with Professor Schneider about climate change.
What did their research result confirm

A．Temperature fluctuations over 30 years.
B．Calculations made by computer models.
C．The impact of natural forces.
D．The effect of industrialization.
<上一题 目录 下一题>
热门 试题

单项选择题
Which of the following brought trade unions into existence
A．Dockers’ harsh working conditions.
B．The liberation movement.
C．Class conflict.
D．White liberal sympathisers.
单项选择题
The knock-out mice in the experiment
A．did not avoid places easily reached by predators.
B．would freeze up when they saw cats.
C．were better at remembering past experiences.
D．had abnormal spatial memory.
相关试题