Câu 7 Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
____________ is created when the surface layer of the ground collapses. When it rains, all of the water stays inside it and typically drains into the subsurface.
A,earthquake
B,hurricane
C,sinkhole
D,tsunami
Câu 8 Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
People can be killed by a __________, which is a very bright flash of electricity that happens in a thunderstorm. It carries an enormous charge of electricity.
A,lightning
B,hurricane
C,thunderstorm
D,tornado
Câu 9 Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
A _______ is a book that tells the story of someone’s life,written by someone else.
A,sociology
B,biography
C,bibliography
D,astrology
Câu 10 Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
A _________is a wall built next to a river to stop the river from overflowing.
A,levee
B,fence
C,barrier
D,damp
Câu 11 Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
When volcanoes erupt, clouds of ___________ cover plants making them incredible.
A,lava
B,debris
C,magma
D,ash
Câu 12 Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
In some areas, human ____________ can be a contributing factor in causing landslides.
A,actions
B,activities
C,acts
D,acting
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