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6．Imagine the first days in a new time zone．Slow to respond to the（28）change，your body clock is confused．You're sleepy all day，but when it's time for bed，you can hardly fall asleep．Obviously you are（29）suffering fromjet lag（時差反應）．
Travelers have traditionally fought this（30）problemwith sleeping pills or alcohol．There are actually healthier ways that can work just as （31）effectively．
For example，the moment you get on the airplane，start （32）adjustingyour biological block to the destination's time．If it's daytime in your destination，try to stay（33）awake．Walking around the cabin（客艙） can be of help．When it's nighttime，try to sleep．In that case，eat before the flight，（34）oran empty stomach will prevent you from sleeping．These tips will help you start a new （35）cycleof sleep and wakefulness．

28．A．flightB．changeC．demandD．climate
29．A．suffering fromB．working onC．looking intoD．leading to
30．A．dangerB．problemC．wasteD．fear
31．A．brieflyB．slowlyC．suddenlyD．effectively
32．A．checkingB．sendingC．adjustingD．stopping
33．A．awakeB．aloneC．hungryD．calm
34．A．thoughB．soC．wholeD．or
35．A．understandingB．cycleC．researchD．trend．

分析 本文是說明文，主要講述了在旅行途中如何調節(jié)你的生物鐘，上飛機前，開始調整你的生物鐘到你的目的地的時間．如果你白天到目的地，試著要保持清醒，晚上試著去睡覺．在乘飛機之前要用餐，否則空腹會讓你睡不著覺．這些建議有助于你開始一個新的睡眠和清醒的周期．

解答 28．B    考查名詞辨析        根據下文的"jetlag（時差反應）"可知，在旅行時要適應時差，因此選change表示"變化"，故選B．
29．A    考查動詞辨析        根據上文的"hardly fallasleep"可知，人們常常不能順利地倒時差會導致時差反應，"suffer from   遭受…"，故選A．
30． B    考查名詞辨析       根據語境可知，一般旅行的人常常用安眠藥或酒對付這種狀況，"problem"指的是上文提到的不能入睡的難題，故選B．
31． D    考查副詞辨析       根據語境可知，作者在下文中給讀者提出了有效的建議．justas effectively表示"同樣有效地"，故選D．
32． C    考查動詞辨析      根據句中的"daytime"可知，上飛機前，開始調整你的生物鐘到你的目的地的時間．"adjust…to…把…調整到…"，故選C．
33． A    考查動詞辨析      根據語境可知，如果你白天到目的地，試著要保持清醒，"stay awake保持清醒"，故選A．
34． D    考查連詞辨析      根據語境可知，在乘飛機之前要用餐，否則空腹會讓你睡不著覺．這是一個"祈使句+and/or+陳述句"的句式，祈使句"eatbefore the flight"和"an empty stomach"是相反的，所以用or，故選D．
35． D    考查連詞辨析     根據語境可知，這些建議有助于你開始一個新的睡眠和清醒的周期．cycle表示"循環(huán)，周期"，故選D．

點評 解答細節(jié)理解題時，一個常用的方法就是運用定位法，即根據題干和選項中的關鍵詞從原文中找到相關的句子，與選項進行比較從而確定答案；推理判斷題 既要求學生透過文章表面文字信息推測文章隱含意思，又要求學生對作者的態(tài)度、意圖及文章細節(jié)的發(fā)展作正確的推理判斷，力求從作者的角度去考慮，不要固守自己的看法或觀點．

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