观察1：Amajor French newspaper (21) his brother for him…(2009广东)
21. A.found B.misunderstood C.mistookD.judged
解析：mistake A for B（意思是：把……错认为）是固定搭配，故答案为C.
观察2：Nobelarranged in his will to give the largest part of his money to (28) the Nobelprize，which would be awarded to people who made great(29) to the causes of peace ，literature，andthe sciences.(2009广东)
观察1：“Dr.AlfredNobel，who became rich by finding ways to kill morepeople faster than ever before，died yesterday.”Nobelwas (24) to find out not that he had died，but that，whenhis time was up，…(2009广东)
A.upset B.anxiousC.excited D.pleased
解析：根据常识，看到报道自己死这样的消息，特别是说自己通过killmore people faster来发财 的评论，应当是(心烦意乱的)，不可能是“兴奋的(excited)”、
“高兴的(pleased)”、“渴望的(anxious)”。所以答案是：(A).
观察2：Butwe ran so much that，afterwards，we had trouble ()北京高考题
A.speaking B.movingC.sleeping D.breathing
解析：根据常识，跑步太快时，人们会(呼吸很困难)，所以答案是(D).
观察3：Amajor French newspaper mistook his brother for him and carried an article (22)the death of Alfred Nobel.
解析：由常识可知，报社应该是(透露；宣布)消息，故用announce(give information about)， 所以答案为B.
(3)根据上下文提示，也就是我们所说的上下文语境。这是做完形填空非常重要的一种方法。
观察1：Tomake sure that he was (26) with love and respect.Nobel arranged in his will togive the largest part of his money to establish the Nobel prizes，…(2009广东).
26.A.repaid B.describedC.supported D.remembered
解析：由下文中设立诺贝尔奖金可知，他改变自我形象是为了被别人充满爱与尊敬地(记住)，故 答案为D.
观察2：Everycountry has its own culture.Even though each country uses doors.Doors many havedifferent functions and purposes which lead to (22) differences. (2010广 东).
解析：从开头总括句“Everycountry has its own culture.”我们可以知道门的使用也有自己 的(文化差异)，故答案为C.
观察3：WhenI first came to America，I noticed that apublic building had two different (23) and they had distinct functions.You haveto push the door with the word “PUSH”to goout of the building and to pull the door with the word“PULL”toenter the building.(2010广东).
23.A.exits B.entrancesC.signs D.doors.
解析：从下文(push the doorwith the word“PUSH”)和(pullthe door with the word“PULL ”)可知，每一幢公共建筑都有两种不同的“标志”，即“push”和“pull”，故答案为C.
观察4：In southKorea，we do not need to wait for people to get off.Onemorning，I hurried to the bus，andwhen the bus doors opened，I (29) tried toget on the school bus through the front door. (2010广东).
观察1：Allthe students around looked at me，I was totally(30)，and my face went red.(2010广东).
30.A.embarrassed B.annoyedC.unsatisfied D.excited.
解析：由上下文“my face went red.”及“All the students aroundlooked at me.”可知答 案应该是A，意思是(尴尬的)。
观察2：Beforesetting out，I told Barrett this trip would be tiringand rough…This (35) achieved all I’d expected. (天津).