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选修六 Unit 1 Laughter is good for you Ⅰ.单项填空 1．I don't understand why he ________ out laughing. A．took B．burst C．put D．made 解析：句意：我不明白他为什么突然大声笑起来。burst out laughing“突然大笑起来”。take out “拿出，取出，领取”；put out“扑灭，出版，广播，使不便”；make out “辨认出，理解”。 答案：B 2．I am________ that he has not answered my letter. A．bothered B．interrupted C．interfered D．annoyed 解析：句意：他还没回我的信，我很烦。annoyed “恼怒的”；bother “打扰”；interrupt “打断”；interfere“干涉”。选D。 答案：D 3．(2010·银川高三调研)Try to spend your time just on the things you find ________. A．worth doing them B．worth being done C．worthy to being done D．worthy of being done 解析：be worth doing 用主动表被动，排除B；A项中them 多余。worthy 可构成：be worthy of being done或be worthy to be done的结构，因此选D。 答案：D 4．Our roof was ________ in the storm. | 
