二、完形填空(每小题1.5分，共30分)
阅读下面短文，掌握其大意，然后从每题所给的四个选项（A，B，C和D）中，选出最佳选项。
The famous scientist Albert Einstein died in 1955.His___36__ now is in the central state of Kansas of the U.S. It belongs to a retired (退休的) ___37__ doctor, Thomas Harvey. ___38__ did this happen? And why?
In the 1950s,Albert Einstein and Thomas Harvey __39__ each other when they both lived in Princeton, New Jersey. Einstein was working at Princeton University____40__ Doctor Harvey was working at Princeton Hospital. When Einstein died, Doctor Harvey was __41__ to examine his body. It was then that he started to study __42__ has become a long time examination of Einstein's brain. His goal was to __43__ some physical evidence(证据)of the scientist's genius(才华)。
Doctor Harvey, ___44__, did not tell Einstein's family that he __45__ the great man's brain. It was only later ___46__ the family learned of Doctor Harvey's work. They did not ___47__ the idea at first. After Doctor Harvey explained his idea to them, they agreed to __48__ him to study the brain Doctor Harvey then asked __49__ scientists to help. They cut the brain __50__ three pieces. They marked each piece before placing it in containers __51__ chemical formaldehyde(甲醛)to protect it. Doctor Harvey has been ___52_ Einstein's brain since then. He has carried it with him as he moved from place to place. He has also lent parts of the brain to other scientists ___53__ study.
Only one researcher has found something ___54__. A doctor at the University of California found that the left part of Einstein's brain has more certain cells(细胞)than __55__. Such cells are known to feed brain. She this may mean that the cells could affect intelligence.
36．A. body B. heart C. brain D. head
37．A. actual B. chemical C. natural D. medical
38．A. What
B. How C. Who D. Which
39．A. realized B. recognized C. learned D. knew
40．A. as B. because C. while D. since
41．A. called on B. called at C. sent up D. sent off
42．A. which B. how C. that D. what
43．Ａ. Invent B. discover C. prove D. examine
44．Ａperhaps B. therefore C. thus D. however
45．A. bought B. sold C. kept D. made
46．A. that B. when C. before D. after
47．A. hear of B. like C. suggest D. offer
48．A promise B. let C. have D. permit
49．A. other two B. two other C. more two D. two another
50．A. off B. by C. into D. about
51．A. for B. about C. of D. with
52．A. learning B. studying C. searching D. selling
53．A. for B. on C. into D. about
54．A. easy B. difficult C. particular D. common
55．A. ever B. enough C. usual D. Normal