[简答题]{{B}}Section D{{/B}}
This section consists of one passage followed by a summary. Read the passage carefully and complete the summary below by choosing no more than three words from the passage for each blank. Remember to write the answers on the answer sheet.

Questions 61 to 65 are based on the following passage.
Collision between an aircraft and one or more birds is termed a bird-strike. Pilots sometimes record a birdstrike while at cruising altitudes, but most of them happen when an aircraft is relatively close to the ground, usually in proximity to an airport and during the circling, descent to land or take-off phases of a flight.
bird-strikes may cause significant damage to an aircraft and/or, if the birds are ingested into a jet engine, a significant and sudden loss of power. If this were to happen during take-off or initial climb of a fully loaded passenger aircraft the results could be catastrophic--lo

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