4．Which day of the week is the happiest？Which is the most depressing？In order to find （25）theanswers，some experts studied 22，000 people over two months．The data was collected  by （26）sending（send） messages to their mobile phones twice a day，asking them（27）howthey felt，（28）whothey were with，where they were，and what they were doing．
According to the study，our moods are at their brightest on Saturday and will continue into Sunday．But as the working week （29）begins（begin） on Monday，it is on Tuesday （30）thatwe reach our （31）lowest（low），with levels of contentment（滿(mǎn)足） dropping．
"（32）Itseems that on Monday the weekend has not quite worn off，"said Professor George MacKerron，who led the research．"By Tuesday people are well into the working week and the following weekend is not yet in sight．"

分析 本文寫(xiě)了一項(xiàng)調(diào)查研究，調(diào)查我們?cè)谝粋�(gè)星期內(nèi)的情緒變化．

解答 25．the 考查冠詞．這里要找的答案是前文中兩個(gè)問(wèn)題的答案，所以是特指用定冠詞the．
26．sending 考查動(dòng)名詞．by 是介詞，介詞后邊的動(dòng)詞要加ing變成動(dòng)名詞，所以答案是sending．
27．how 考查疑問(wèn)副詞．根據(jù)句意：?jiǎn)査麄兏杏X(jué)如何，how 引導(dǎo)賓語(yǔ)從句，意思是"怎樣，如何"．
28．who 考查疑問(wèn)詞．根據(jù)句意：?jiǎn)査麄兒驼l(shuí)在一起，所以疑問(wèn)詞用who"誰(shuí)"．
29．begins 考查主謂一致．分析句子可知句子的主語(yǔ)是week 是單數(shù)，因?yàn)楸疚挠玫氖且话悻F(xiàn)在時(shí)，所以謂語(yǔ)動(dòng)詞用第三人稱(chēng)單數(shù)形式begins．
30．that 考查強(qiáng)調(diào)句．分析句子可知本句是一個(gè)強(qiáng)調(diào)句，被強(qiáng)調(diào)部分是on Tuesday，根據(jù)強(qiáng)調(diào)句的固定結(jié)構(gòu) It is+被強(qiáng)調(diào)部分+tht+剩余部分，所以答案填that．
31．lowest 考查形容詞．根據(jù)句意：是在星期二，我們達(dá)到最低（低），滿(mǎn)意程度下降．lowest是low的最高級(jí)．
32．It 考查固定句型．It seems that 是英語(yǔ)中的固定句型"好像"，根據(jù)句意：好像在星期一的時(shí)候，周末還沒(méi)有完全結(jié)束．

點(diǎn)評(píng) 語(yǔ)法填空是通過(guò)語(yǔ)篇在語(yǔ)境中考查語(yǔ)法知識(shí)的運(yùn)用能力，在解題前應(yīng)快速瀏覽短文掌握大意，在讀懂短文的基礎(chǔ)上，結(jié)合短文提供的特定的語(yǔ)言環(huán)境去逐句分析．要解決好語(yǔ)法填空，離不開(kāi)堅(jiān)實(shí)的語(yǔ)法知識(shí)，有了堅(jiān)實(shí)的語(yǔ)法知識(shí)才能對(duì)語(yǔ)言進(jìn)行正確的分析和判斷，從而答對(duì)題目．

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