Choose the best answer:
An earthquake is the result of a sudden release of energy in the Earth's crust that creates seismic waves. At the Earth's surface, earthquakes are recognized (25) _____ vibration, shaking and sometimes displacement of the ground. The vibrations may vary in (26) _____. They are caused mostly by slippage within geological faults, but also by other events such as volcanic activity, landslides, mine blasts, and nuclear tests. The underground point of (27) _____ of the earthquake is called the focus. The point directly above the focus on the surface is called the epicenter. Earthquakes by themselves rarely kill people or wildlife. It is usually the secondary events (28) _____ they trigger, such as building collapse, fires, tsunamis (seismic sea waves) and volcanoes, that are actually the human disaster. Many of these could possibly be avoided by better construction, safety systems, early warning and (29) ____ planning
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Lời giải:
Báo saiGiải thích: Câu chẻ nhấn mạnh tân ngữ: It + is/was + O + that + S + V ...
Tạm dịch: Thường là những sự kiện thứ cấp mà chúng gây ra, như làm sụp đổ tòa nhà, hỏa hoạn, sóng thần (sóng địa chấn) và núi lửa, những thứ thực sự là thảm họa của con người.