西安交大2011版研究生英语Unit 4 课后习题答案.ppt

Unit 4
Exercises
prehension
Vocabulary
Cloze
Translation
Writing
prehension
Choose the sentence that best expresses the meaning of the statement from the text.
A
B
Fill in the blanks with the information you’ve learned in the text.
a. Choose the best sentence
B
C
A
C
A
(1)
In 1950s, experts thought within a decade or two, robots with improved software would be able to_________________________
________________________________________.
clean our floors, mow our lawns and, in general, eliminate drudgery from our lives
(2)
In pursuit of ideal robots, many scientists felt disheartened because _____________ ________________________________
_____________________________________________.
puter- based artificial brain is still well below the level of sophistication needed to build a humanlike robot
b. Fill in the blanks
(3)
It is controversial in some circles right now puters will eventually be capable of ________________________________
_______________.
the same kind of perception, cognition and thought as humans
(4)
The second generation robots can ___________________________________________________________________________ with software “conditioning modules”.
generate positive and negative reinforcement signals in predefined circumstances
(5)
According to the author, if the robots are properly educated, they will ___________
_________________________________________________________________________________________.
e quite formidable and will outperform human beings in any conceivable area of endeavor, intellectual or physical
Vocabulary
Fill in the blanks with the correct form of the words you have learned in the text.
A
B
Replace the underlined parts in the following sentences with the expressions below that best keep the original meaning.
a. Fill in the blanks
attest
disoriented
elusive
negate
progeny
outstrip
versatile
meld
contingency
mainstay
b. Choose the best answer
(1) A (2) D (3) B (4) A (5) D
(6) C (7) D (8) D (9) B (10) B