42.A.whom　　　　　　　　　 B.those　　　　　　　　　　　　 C.them　　　　　　　　　　　　 D.those who

41.A.so　　　　　　　　　　　　 B.if　　　　　　　　　　　　　　　 C.where　　　　　　　　　　　 D.which

40.A.was sent to　　　　　　 B.went to　　　　　　　　　　　　　　 C.flew at　　　　　　　　　　　 D.was taken from

39.A.unwilling to say　　　　　　　　　　　　　　　　　　　 B.anxious to know

C.unable to tell　　　　　　　　　　　　　　　　　　　　　　　　 D.puzzled to tell

38.A.a most successful　　　　　　　　　　　　　　　　　　　 B.the most successful writers

C.the most successful writer　　　　　　　　　　　　　　　 D.most successful writers

37.A.marriage　　　　　　　 B.marry　　　　　　　　　　　 C.marrying　　　　　　　　　 D.married

36.A.ordinary　　　　　　　on method　　　　 C.unusual way　　　　　　　　　　 D.useful cure

55. C 最后一步是检验解决问题的方案是否可行有效。

14

In 1977,a dead writer of detective stories saved the life of a 19 months old baby in a most

　　 　　36　　　　 .The writer was Agatha Christie,a gentle 　　　　37　　　　 lady and one of

　　　　　 38　　　　 of detective stories in the world.In June 1977,a baby girl became badly ill in Qater,near Soudi Arabia.Doctors were 　　　　39　　　　 the cause of her illness surely,so she 　　　　40　　　　 London and Hammersmith Hospital,　　　　 41　　　　 people can get help from experts.She was then only semiconscious and among 　　　　42　　　　 were dangerously ill.

　　　　 43　　　　 doctors hurried to examine the baby 　　　　44　　　　 that they,too,were puzzled by very unusual symptoms.While they 　　　　45　　　　 the baby's illness,a nurse asked to speak to them.

“Excuse me,”said Nurse Marsha Maitland,“but I think the baby 　　　　46　　　　 from thallium poisoning.”

“What makes you　　　　 47　　　　 that?”Dr.Brown asked.“Thallium poisoning is very unusual.”

“A few days ago,I was reading a　　　　 48　　　　 called ‘A Pale Horse’ by Agatha Christie,”Nurse Maitland explained.“In the book,somebody uses 　　　　49　　　 　,and all the symptoms are given.They are exactly 　　　　50　　　　 the baby's.”

“You are a very careful and 　　　　51　　　　 person and you may be right,”another doctor said.“We'll make some tests and find out 　　　　52　　　　 it's thallium or not.”

Tests 　　　　53　　　　 that the baby had indeed been poisoned by thallium,an unusual matter used in making glass.　　　　 54　　　　 they know the cause of the illness,the doctors were able to give the baby the correct treatment.She 　　　　55　　　　 .

54. A 依常识可以知道，要解决粘在刹车上的口香糖，只要洗一下刹车就行了。

53. D 因为问题非常简单，Sam马上想出了解决问题的方法。