17．In my free time，I really like （66）surfing （surf） the Internet．When I get home from work，I turn on my computer，wait until it boots up（啟動）（67）completely （ complete），and then I go online．I usually check my email first and then write a few（68）messages（ message） to family and friends．I sometimes scan the local news headlines at my favorite news Website and read up on the（69）latest （late） local and international news．This Website often provides video news clips（片段） （70）that\wich you can view online．I sometimes order products or service online to save money and time instead （71）of going to a store and（72）buying（buy） what I'm looking for．For example，I （73）ordered  （order）a digital camera online the other day and saved about $50．Whatever I do，I realize that there are problems with using the Internet including scams（詐騙），identify theft，and viruses，so I'm very careful not to give out my （74）personal （person） information．Furthermore，I don't download or open files I don't recognize．Using the Internet can be fun and a convenient way of shopping and finding out new information，（75）but you just need to be careful．

分析 我空余時間喜歡上網(wǎng)，收發(fā)郵件，瀏覽國內(nèi)外的新聞，還可以購物．但網(wǎng)絡(luò)上也有一些詐騙和病毒，因此對個人信息一定要注意．

解答 答案：66．surfing；考查動詞搭配．like doing sth喜歡做某事． 
67．completely；考查副詞．句中complete修飾動詞boot up，要用副詞形式． 
68．messages；考查名詞．句中有a few修飾，開始名詞要用復(fù)數(shù)形式． 
69．latest；考查比較級．句意表達(dá)的是最新的消息，要用最高級形式．
70．that\wich；考查連詞．句中you can view online修飾名詞clips，是一個定語從句；從句缺少賓語，且先行詞clips指物，要用that或which來引導(dǎo)． 
71．of；考查短語搭配．instead of代替，常用短語． 
72．buying；考查動名詞．句中buy作介詞of的賓語，要用動名詞形式．
73．ordered；考查時態(tài)．句意表達(dá)的是過去的動作，要用一般過去時態(tài)． 
74．personal；考查形容詞．句中person修飾名詞information，要用形容詞形式；personal information個人信息． 
75．but；考查連詞．句意表達(dá)的是轉(zhuǎn)折，要用but來連接．

點評 語法填空題是考查學(xué)生的語言運(yùn)用能力．解題時，要在理解文章的基礎(chǔ)上，靈活運(yùn)用語法知識，如詞性，時態(tài)，名詞單復(fù)數(shù)，連接詞，代詞，冠詞等判斷空白處應(yīng)填寫的內(nèi)容．答完后，還要通讀全文，核對所填單詞形式是否正確，是否符合語境．

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