What is the use of a seismograph？
A. It is used to record the strength of an earthquake or seaquake.
B. It is used to record the direction of an earthquake or seaquake.
C. It is used to reocrd the length of time of an earthquake or seaquake.
D. It is used to predict when a tidal wave will hit land.
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which of the four statements in true of tidal wave？
A. It is the regular rise and fall of ocean waters.
B. It comes definite times of each day.
C. It comes rushing in suddenly and unexpectedly.
D. Scientists can hold back a tidal wave.
According to the author, the schooling framework often______．
A. produces slow students with poor memories
B. ignores some parts of the official curriculum
C. fails to provide enough knowledge about life
D. give little care to the quality of teaching materials
What are they talking about？
A. The advantages of city life．
B. The advantages of country life．
C. Where they will live．
D. City life and country life．
What does the Japanese word "tsunami" mean？
A. Tide.
B. Storm wave.
C. Earthquake.
D. Strong wind.
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