Robots are smart。 With their computer brains, they help people work in dangerous places or do difficult jobs。 Some robots do regular jobs。Bobby, the mail carrier, brings mail to a large office building in Washington, D。C。 He is one of 250 mail carriers in the United States。
Mr。 Leachim, who weighs two hundred pounds and is six feet tall, has some advantages as a teacher。 One is that he does not forget details。 He knows each child’s name, the parents’ names and what each child knows and needs to know。 In addition, he knows each child’s pets and hobbies。 Mr。 Leachim does not make mistakes。 Each child goes and tells him his or her name, then dials an identification (身份證明) number。 His computer brain puts the child’s voice and number together。 He identifies the child with no mistakes。 Then he starts the lesson。
Another advantage is that Mr。 Leachim is flexible。 If the children need more time to do their lessons they can move switches。 In this way they can repeat Mr。 Leachim’s lesson over and over again。 When the children do a good job he tells them something interesting about their hobbies。 At the end of the lesson the children switch Mr。 Leachim off。
58。 The first paragraph of the passage tells us _______。
A。 human beings are not as smart as robots
B。 robots will take the place of man to rule the earth
C。 we can only use robots to do some regular jobs
D。 robots can help people in many different ways
59。 Mr。 Leachim’s ______ makes him a good teacher。
A。 knowledge     B。 appearance            C。 advantage                     D。 energy
60。 The word “flexible” in the last paragraph means _______。
A。 not strict        B。 not hard                C。 suitable                 D。 changeable

 
58------60 DCD 

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