山西廣播電視大學(xué)-2003—2004-學(xué)年度第一學(xué)期期末考試

1、山西廣播電視大學(xué)開(kāi)放教育專科數(shù)學(xué)水平測(cè)試試題（一）2005年7月一、單項(xiàng)選擇題一、單項(xiàng)選擇題（1）。集合則（）????32.0210??NM?NM?（A）空集（B）（C）（D）??20??210??3210（2）已知等差數(shù)列的公差為2，且，則的值是??na229?a1a（A）3（B）3（C）6（D）6（3）已知圓錐的高為2，母線與軸成的角，那么這個(gè)圓錐的體積為3?（A）（B）（C）（D）32?332??86?二填空題：（1）函數(shù)的定義域

2、是。xxy???31（2）函數(shù)的圖象關(guān)于對(duì)稱3xy?（3）已知正方體的全面積為13，則這個(gè)正方體的一條對(duì)角線長(zhǎng)為。（4）如圖正方體的棱長(zhǎng)為a，1111DCBAABCD?則直線AB與直線所成的角是1DC三、計(jì)算題（1）解不等式0821741???????????????xx測(cè)試（二）解答一（1）。D（2）。C（3）。C二（1）。（2）原點(diǎn)（3）（4）31?x??226o4513.Itisgenerallyconsideredunwiset

3、ogiveachild_____heshewants.A.howeverB.whateverC.whicheverD.whenever二、閱讀下列短文，從每題所給的四個(gè)選項(xiàng)中選出最佳選項(xiàng)Dolphins(海豚)arenotfishbutwarmbloodedanimals.Theyliveingroupsspeaktoeachotherintheirownlanguage.Inthistheyarelikeotheranimalssuc

4、hasbeesbirds.Butdolphinsareverydifferentfromalmostalllanimals.Theirbrainisnearlythesamesizeasourowntheylivealongtime－atleasttwentythirtyyears.Likesomeanimalsdolphinsusesoundtohelpthemfindtheirwayaround.Theyalsomaketheses

5、oundstotalktoeachothertohelpthemfindfood.Wenowknowtheydonotusetheirearstoreceivethesesoundsbutthelowerpartofthemouthcalledthejaw.Strangelydolphinsseemtolikemanfthoussofyearstherehavebeenstiesaboutthedolphinitsfriendshipw

6、ithpeople.Thereisastyaboutsailsinthe19thcentury.InadangerouspartoftheseaoffthecoastofNewZealtheylearnttolookfadolphincalledJack.From1871to1903Jackmeteveryboatintheareashowedittheway.Thenin1903apassengeronaboatcalledThepe

7、nguinshotwoundedJack.Herecoveredfnineyearsmecontinuedtoguideallshipsthroughthearea－exceptfThePenguin.Todaysomepeoplecontinuetokilldolphinsbutmanycountriesofthewldnowprotectthemintheseplacesitisagainstthelawtokillthem.14.

8、Dolphinsaredifferentfrommanyotheranimalsinthatthey_____.A.liveingroupsB.havelargebrainsC.arewarmbloodedD.havetheirownlanguage15.WhichofthefollowingdoesthedolphinusetohelpitfinditswayaroundA.Itsnose.B.Itsears.C.Itsmouth.D

9、.Itseyes.16.WhydidthesailsoffthecoastofNewZeallookfJackA.Hewaslonelylikedtobewithpeople.B.Theyenjoyedplayingwithhim.C.Hewasseriouslywounded.D.Theywantedhishelp17.BytellingthestyofJackthewriterwantedtoshowthat_____.A.dolp