【C18】A．accidentalB．accident’sC．accidentsD．accident

【C18】A．onB．beforeC．atD．in

【C18】A．merelyB．alwaysC．mainlyD．almost

The best title for the passage wound be.A．Accidents and AnxietyB．How to Deal with Accident

A．troubleB．cancerC．mistakesD．accidents

【C18】A．thatB．whichC．whatD．／

【C7】A．issueB．concernC．certaintyD．accident