But the supporters of this theory also say that Pangaea was not the first giant continent.The earliest possible giant continent is Columbia supercontinent.Scientists think it existed between 1.8 and 1.5 billion years ago.
【解题导语】 本文是一篇科普说明文,主要介绍了“大陆漂移说”的提出者、提出时间及内容。
1.What did Pangaea look like?
A.It was shaped like a C.
B.It was shaped like a ball.
C.It looked like the moon.
D.It looked like Panthalassa.
解析:选A。细节理解题。根据第三段第一句“Pangaea was a Cshaped landform that was spread...”可知,泛大陆(Pangaea)的形状看起来像字母C。故答案选A。
2.What can be inferred about the drift theory?
A.It was a little bit absurd.
B.It was very controversial.
C.It came from Greek.
D.It was popular in 1900s.
解析:选B。推理判断题。根据第一、二段内容可知,当Alfred Wegener提出“大陆漂移说”时,该学说与人们当时的观点大相径庭(那时人们普遍认为地球仅仅存在了几千年而已,而且是上帝创造了地球)。故答案选B。
3.The underlined word “This” refers to ________.
A.the Tethys Ocean B.the Pangaea
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