The 1986 Challenger space shuttle ______ was caused by unusually low temperatures immediacy before the launch.

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问题 The 1986 Challenger space shuttle ______ was caused by unusually low temperatures immediacy before the launch.

选项 A、dismay
B、disaster
C、expedition
D、controversy

答案B

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
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