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.

Question 25. A. in                     B. with                                 C. as                                     D. from

Question 26. A. magnitude       B. value                                C. amount                            D. quantity

Question 27. A. source             B. origin                               C. center                              D. epicenter

Question 28. A. who                 B. what                                 C. that                                  D. those

Question 29. A. evacuator        B. evacuate                          C. evacuating                       D. evacuation 

Đề thi thử THPT 2021 - Tiếng Anh - GV Vũ Thị Mai Phương - Đề 17 - có lời giải