A 7.8-magnitude earthquake struck off the Japanese coast Saturday, geologists said, shaking buildings in Tokyo and setting off car alarms, an AFP correspondent reported.

Despite the huge power of the quake, there was no risk of a tsunami. There were no immediate reports of injuries or damage.

Yoshiyuki Sasamoto, who runs a traditional guest house on Chichijima, one of the closest inhabited places near the coast, told NHK the shaking had been violent.

"At first a weaker quake hit and it stopped. Then the big one came. It was so strong that I couldn't stand still and couldn't walk," he said.

Both runways at Narita Airport, the main international highway to Tokyo, were immediately closed and trains in Tokyo were also immediately stopped and a football match in the city was also put off.

Japan sits at the meeting place of four tectonic plates and experiences around 20 percent of the world's most powerful earthquakes every year.

On Friday a volcano in the far south of Japan erupted, bringing a huge column of ash high into the sky and forcing authorities to evacuate the island on which it sits.

The eruption caused no injuries and no damage was reported, but it served as yet another reminder of the volcano eruption.

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1.Where did the earthquake happen?

A In America

B In Japan

C In Nepal

D In China

解析：选B。B 细节理解题。根据文章第1段“A 7.8-magnitude earthquake struck off the Japanese coast Saturday”可知。

2.The earthquake is about______.

A 6-magnitude

B 9-magnitude

C 8-magnitude

D 5-magnitude

解析：选C。C细节理解题。根据文章第1段“A 7.8-magnitude earthquake struck off the Japanese coast Saturday”可知，7.8级地震大约相当于8级地震。

3.3.From the passage ,we can know Yoshiyuki Sasamoto is ______.

A a worker

B a hotel manager

C a farmer

D a teacher

解析：选B。B 细节理解题。根据文章第3段“Yoshiyuki Sasamoto, who runs a traditional guest house on Chichijima”可知，他最有可能是一名宾馆经理。

4.The underlined word erupted means_______ in Chinese.

A 出诊

B 爆发

C 开发

D 冲击

解析：选B。B 词义猜测题。根据文章倒数第2段“bringing a huge column of ash high into the sky and forcing authorities to evacuate the island on which it sits.”可知，火山爆发了。

5.Which of the following is not true according to the passage?

A There is no risk of a tsunami after the earthquake.

B The runways at Narita Airport has been closed after the earthquake.

C The volcano made a lot of people die.

D Japan experiences many earthquakes very year.

解析：选C。C推理判断题。根据第8段“The eruption caused no injuries and no damage was reported”可知。