discovering what can be done by these wonderful slaves which they have learned to control.These computer wizards have learned to use the computer and search for new tasks for their machines. 1.We can know that the scientists who designed the machines A.are careless in their daily life B.are unkind and cruel C.are out of their mind D.have great abilities 2.The reason why many people are afraid of computers is that A.they don't know anything about computers B.they haven't really understood computers C.there are so many computer games D.computers are often down 3.The author mentions computer wizards in order to point out that A.computers can be controlled by man B.there should be more people devoted to computers C.only young people are interested in computers D.more time and energy is required to control computers 4.This passage is probably written to suggest that A.some day computers can deal with all human problems B.computers can be used in place of traveling to our jobs C.people should not fear computers D.computer technology will not meet people's needs in various situations 5.The author's attitude towards widely used computers is A.positive B.anxious C.worried D.curious Unit2 I.Complete each of the following sentences with the proper form of the word given in brackets. 1.(thorough) The girl was praised for cleaning the roomdiscovering what can be done by these wonderful slaves which they have learned to control. These computer wizards have learned to use the computer and search for new tasks for their machines. 1. We can know that the scientists who designed the machines _________. A. are careless in their daily life B. are unkind and cruel C. are out of their mind D. have great abilities 2. The reason why many people are afraid of computers is that _________. A. they don’t know anything about computers B. they haven’t really understood computers C. there are so many computer games D. computers are often down 3. The author mentions computer wizards in order to point out that ___________. A. computers can be controlled by man B. there should be more people devoted to computers C. only young people are interested in computers D. more time and energy is required to control computers 4. This passage is probably written to suggest that __________. A. some day computers can deal with all human problems B. computers can be used in place of traveling to our jobs C. people should not fear computers D. computer technology will not meet people’s needs in various situations 5. The author’s attitude (态度) towards widely used computers is ____________. A. positive B. anxious C. worried D. curious Unit 2 I. Complete each of the following sentences with the proper form of the word given in brackets. 1. (thorough) The girl was praised for cleaning the room ______