单选题
The 1986 Challenger space shuttle ______ was caused by unusually low temperatures immediacy before the launch.
【正确答案】
B
【答案解析】disaster意为“灾难,大祸;彻底的失败”,例如:Those who mistake their good luck for their merit are inevitably bound for disaster.那些错把好运当作自己长处的人必然会遇到灾难。dismay意为“使失望,使气馁;使惊恐,使惊愕”,例如:The thought of having to earn her own living dismayed her.一想到不得不自己去谋生她就感到沮丧不安。expedition意为“(为特定目的而组织的)旅 行,出行,远征”,例如:To solve the energy crisis,many scientists are making an expedition in rural areas.为了解决能源危机,许多科学家在荒凉的地区探险。controversy意为“争论,辩论”,例如:The ultimate measure of a man is not where he stands in moments of comfort and convenience,but where he stands at times of challenge and controversy.最终衡量一个人,不是看他在舒适和顺利 的时刻的表现,而是看他在受到非难和有争议的时刻的表现。