阅读下面短文并回答问题(请注意问题后的字数要求)

Perhapsyouareanaveragestudentwithaverageintelligence．Howeveryoucanreceivebettergradesifyouwant．Yesevenstudentswithaverageintelligencecanbetopstudentswithoutadditionalwork．Here'show：

1．Planyourtimecarefully．Makealistofyourweeklytasks．Thenmakeascheduleofyourtime．Besuretosetasideenoughtimetocompleteyournormalreadingandworkassignments．Ofcoursestudyingshouldn'toccupyallofthefreetimeontheschedule．

2．Makegooduseofyourtimeinclass．Listeningtowhattheteachersaysinclassmeanslessworklater．Takenotestohelpyourememberwhattheteachersays．

3．Skimbeforeyouread．Lookoverapassagequicklybeforeyoubegintoreaditmorecarefully．Asyoupreviewthematerialyougetsomeideaofthecontentandhowitisorganized．Laterwhenyoubegintoreadyouwillrecognizelessimportantmaterialandyoumayskipsomeoftheseportions;Skimminghelpsdoubleyourreadingspeedandimproveyourcomprehensionaswell．

4．________．Gooveryournotesassoonasyoucanafterclass．Reviewimportantpointsmentionedinclassaswellaspointsyouremainconfused．Ifyouknowwhattheteacherwilldiscussthenextdayskimandreadthatmaterialtoo．Ifyoureviewyournotesandtextbookregularlythematerialwillbecomemoremeaningfulandyouwillrememberitlonger．Regularreviewleadstoimprovedperformanceontests．

5．Developagoodattitudetowardstests．Thepurposeofatestistoshowwhatyouhavelearnedaboutasubject．Theworldwon'tendifyoudon'tpassatestsodon'tworryexcessively(过分地)aboutasingletest．

Thereareothertechniquesthatmighthelpyouwithyourstudying．Improvingyourstudyinghabitswillimproveyourgrades．

1．Whichsentenceinthepassagecanbereplacedbythefollowingone?

Ifyoufailanea-amdon'tletittroubleyoutoomuch．

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2．Accordingtothepassagehowcananaveragestudentimprovehis/hergrades?(Pleaseanswerwithin10words．)

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3．Pleasefillintheblankinthefifthparagraphwithapropersentence．(Pleaseanswerwithin10words．)

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4．Whichtipdoyouthinkisthemostuseful?W