题目内容
6.听第10段材料,回答第17至20小题.17.Why can't the far north use the sun for a clock?
A.The sun there never goes down in winter.
B.It's too cold for people to go out.
C.There are long dark winters and long light summers.
18.How can the people living near the sea tell time?
A.From the tide. B.From the beach. C.From the sand.
19.What is seamen'clock?
A.The stars. B.The whole sky. C.The moon.
20.What is the speaker talking about?
A.Useful machine to tell time.
B.Different ways to tell time.
C.The history of the clock.
分析 略
解答 CABB
点评 略
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