2017年英语四级完形填空练习及解析（1）

　　Section A

　　Directions：In this section。thereis a passage with ten blanks.You are required to select one word for each blankfrom a list ofchoices given in a word bankfollowing the passage.Read the passage through carefully before making your choices.Each choice in the bank is identified by a letter Please mark the corresponding letterfor each item on Answer Sheet 2 with a single line through the centre.You may not use any ofthe words in the bank more than once.

　　Questions 36 to 45 are based on thefollowingpassage.

　　“THINKING is hard，”(36)__________Daniel Dennet，a professor of philosophy at Tufts University.“Thinking about some problems is so hard that it can make your head ache just thinking about thinking about them.”He has spent hA.f a century pondering some of the knottiest problems around：the nature of meaning，the(37)__________of minds and whether freewill is possible.His latest book，Intuition Pumps(直觉泵)and Other Tools for Thinking，is a precis of those 50 years，distilled into 77(38)__________ and mostly bite-sized chapters.

　　“Intuiuon pumps”are what Mr Dennet calls thought experiments that aim to get at the rub of concepts.But the aim of this book is not(39)__________to show how the pumps work,but to(40)__________them to help readers think through some of the most profound conundrums.

　　This pump which Mr Dennet calls a“cascade of homunculi(级联侏儒)”，was(41)__________by the field of artificial Intelligence,An programmer begins by taking a problem a computer is meant to solve and breaking it down into smaller tasks，to be dealt with by particular(42)__________.These，in turn，are(43)__________ of sub.subsystems，and so on.In this way,we are in depth of thinking profound problems.

　　Of course，Mr Dennet’s book is not a(44)__________solution to such mind-benders;it is philosophy in action.Like all good philosophy,it works by getting the reader to examine deeply held but(45)__________ beliefs about some of our most fundamental concems，like personal autonomy.It is really not all easy read.

　　A.consist

　　B.actually

　　C.nature

　　D.concedes

　　E.inspired

　　F.definable

　　G.composed

　　H.readable

　　I.substance

　　J.merely

　　K.unspoken

　　L.apply

　　M.suppose

　　N.subsystem

　　O.definitive