资源描述：
《大学英语四级选词填空模拟题》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、
2、第一篇关于减肥 PerhapslikemostAmericansyouhavesomeextrapoundsto47.Youmayevenhavetriedafaddietortwo,butfoundyourselfrightbackwhereyoustarted.Thekeytoweightlossisregular48activity.Andsurprisingly,youdon'thavetogiveupeatingormakethegymyoursecondhometoseelong-term,49effects. Youbodyneedsacertainam
3、ountofenergytomaintainbasic50suchasbreathing,bloodcirculationanddigestion.Theenergyrequiredtokeepyourorgansfunctioningisreferredtoastherestingorbasalmetabolicrate. Anytimeyouareactive,51energyisrequired.Itisobtainedfromglycogenandfatstoredintheblood,liver,andmuscles.Thekeytolosingweightis
4、todrawonthefatratherthanonthecarbohydratereserves. Whichofthetwoenergysourcesyouusedependsontheintensityand52ofyouractivity.Thehighertheintensity,themoreyourbodywillpullfromthestoredcarbohydrates.Thelowertheintensity,themoreyourbodywill53onfatasitsfuel. Aerobicexerciseismost54forweightlo
5、ss.Whenyouperformaerobicactivitiesyou55contractlargemusclegroupssuchasyourlegsandarms.Walking,running,rollerblading,swimming,dancing,andjumpingjacksareallformsofaerobicactivity. Surprisingly,ifyouraerobicactivityislowtomoderatelyintenseandoflongduration,youwillburnmorefatthanifyouhad56ina
6、shortburstofhigh-intensityexercise.Inshort,abrisk30-minutewalkwillburnfatwhilea100-yardsprintwillburnglycogen. [A]positive[B]additional[C]duration[D]effective[E]shed[F]physical [G]food[H]functions[I]participated[J]rely[K]cut[L]repeatedly [M]uses[N]little[O]obvious47.E该空需填入动词原形，结合原意“和大多数
7、美国人一梯状，你(的体重)可能也有几磅需要________”可知，E(去除)最符合文意。 48.F结合常识和下文可知，F最符合文意。 49.A结合句意“令人惊奇的是，为了看到长期________效果你不必节食或常去健身馆”，可知空格处需填一形容词，初选后留下A、D。由于下文只是讲到运动会帮助减肥，但并未说明它的效果明显，所以此处宜选用意思上更宽泛的positive(正面的，有效的)。 50.H下文举例的breathing,bloodcirculationanddigestion都是人体的基本功能，且其后的functioning已给出了提示，故H最符合文意。 51.B
8、该空需填入形容词，结合常识和句意“任何时候只要你活动，你都需要________能量”来看选项，B(额外的)符合文意。 52.C该句句意为“采用这两种能量消耗来源中的哪一种取决于你活动的强度和________”，结合下文提到的...lowtomoderatelyintenseandoflongduration...可知C最符合文意。 53.J结合句意“(活动的)强度越低，身体越________于脂肪作为其燃料”，该空应填入能和on搭配的动词，J最符合文意。 54.D结合常识可知，有氧运动是最有效的减肥方式，选项
