1.ThePullmanStrikeof1894tieduptransportationandwasfinallyendedonlybygovernmentintervention
(A)reliedupon(B)hindered(C)linkedwith
2.VoluntarismisatraditionintheUnitedStates.
(A)need(B)business(C)custom
3.Somespeciesofbacteriaandfungithriveonsimplecompoundssuchasalcohol.
(A)mixwith(B)dowellon(C)existin
4.FossilsarethetracesofplantsandanimalsofpastgeologicalagesthathavebeenpreservedintheEarth'scrust.
(A)registers(B)residues(C)profusion
5.Smokeparticlesandotherairpollutantsareoftentrappedintheatmosphere,thusformingsmog.
(A)caught(B)burned(C)dirtied
6.EuropeansestablishedpermanentcoloniesontheeasternshoresofwhatisnowtheUnitedStatesthroughouttheseventeenthcentury.
(A)during(B)before(C)upuntil
7.Althoughwildflowersappealtonaturelovers,someofthemareconsideredtroublesomeweedsbyfarmers.
(A)deadly(B)annoying(C)destructive
8.Ownersoflargeestatesgenerallykeeptheirpropertytidywiththehelpofkeepers.
(A)fertile(B)neat(C)inhabited
1、hindered
Butlately,theresponsefromWashingtonhasbeenpartisanshipandgridlockthat’sonlyunderminedpublicconfidenceandhinderedoureffortstogrowtheeconomy.
但最近，华盛顿的反应就是党派之争和政治僵局，这只能蚕食公众的信心并妨碍我们对增长经济的种种努力。
2、custom
n.习惯，惯例;风俗;海关，关税;经常光顾;[总称](经常性的)顾客
3、dowellon
Thinkabouttakinganexam:ifyouhaven'tstudied,youwon'thavemuchconfidenceinyourabilitiestodowellontheexam.
想想正在考试：如果你没有学习，你会不相信自己有能力考好试。
4、residues
n.[冶]剩余物;余数;筛留物(residue的复数)
Rightnow,wehavenoideaoftheimpactofthesedrugresiduesorwhatwecandoaboutthem.
目前，我们还不知道这些药物残留会对身体产生什么影响，也不知道该对它们做些什么。
6、during
prep.在…的时候，在…的期间
Manypeopledieduringfamineseveryyear.
7、destructive
adj.破坏的;毁灭性的;有害的，消极的
Whichbringsmebacktothedestructiveeffectoffocusingoninvisiblemonsters.
这个问题又将我们带到看不见怪物引起的破坏性作用上。
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