Mr.Joneswokeearlyonemorning，beforethesunhadrisen.Itwasabeautifulmorning，_31_hewenttothewindowandlookedout.Hewas_32_toseeaneatly-dressedandmid-agedprofessor，who_33_intheuniversityjustuptheroadfromMr.Jones‘house，comingthedirectionofthetown.Hehadgreyhairthickglasses，andwas_34anumbrella，amorningnewspaperandabag.Mr.Jonesthoughtthathemusthave_35_bythenighttrain_36_takingataxi.
Mr.Joneshadabigtreeinhisgarden，andthechildrenhadtiedalong_37_tooneofthebranches，sothattheycouldswingonit.
Mr.Jonessawtheprofessor_38_whenhesawtheropeandlookedcarefullyupanddowntheroad.Whenhesawthattherewas_39_insight，hesteppedintothegarden(therewasnofence)，puthisumbrella，newspaper，bagandhatnearlyonthegrassand_40_therope.Hepulledit_41_toseewhetheritwasstrongenoughtotakehisweight，thenranasfastashecouldandswungintothe_42_ontheendoftherope，hisgreyhairblowingallaround_43_._44_heswung，sometimestakingafewmore_45_stepsonthegrasswhentheropebegantoswing_46_slowlyforhim.
_47_theprofessorstopped，straightenedhistie，combedhishaircarefully，putonhishat，_48_hisumbrella，newspaperandbag，andcontinued_49_hiswaytotheuniversity，lookingas_50_andcorrectandrespectableasonewouldexpectaprofessortobe.
_________
A. because
B. as
C. so
D. for
答案：C解析：
如果MRTSLK〉PL／PK 企业应该如何调整劳动和资本的投入量：（）
如果MRTSLK〉PL PK，企业应该如何调整劳动和资本的投入量：（）A 增加劳动减少资本B 增加资本减少劳动C 同时增加劳动和资本D 同时减少劳动和资本
答案解析当需求富有弹性时 MR是（）
当需求富有弹性时，MR是（）A 1B 0C 负的D 正的
答案解析Mr.Baker wanted to talk to________.
Mr Baker wanted to talk to________ A a child older than JimmyB a child younger than JimmyC Jimmy‘s brother BillyD Jimmy’s sister Betty
答案解析Mrs.Edwards________.
Mrs Edwards________ A is always very luckyB had no friendsC hoped to get free shoppingD gets disappointed easily
答案解析Mr.Smith was engaged__________writing a novel.
Mr Smith was engaged__________writing a novel A inB atC withD for
答案解析WhatmadeMrsHillfeelstrangeatfirst? A.Shortwaybutlongtime. B.Shorttimebutlongway. C.P
WhatmadeMrsHillfeelstrangeatfirst?A Shortwaybutlongtime B Shorttimebutlongway C Poormemoryduringthedrive D CarefuldrivingonMotorway3
答案解析Mrs.Edwards must have been________.
Mrs Edwards must have been________ A pleasedB delightedC proudD disappointed
答案解析Mr. Smith gave us _____________________ (一条) advice on how to keep healthy.
Mr Smith gave us _____________________ (一条) advice on how to keep healthy
答案解析Mrs.Edwards’s husband tried to________.
Mrs Edwards’s husband tried to________ A make her unhappyB cheer her upC buy things with herD stop her buying things
答案解析MrBrowngotwetandhetriedto_________thesweater. A.takeaway B.takeoff C.putup D.puton
MrBrowngotwetandhetriedto_________thesweater A takeawayB takeoffC putupD puton
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