题目内容
词义配对
Example: d a place to live in the future
________ (1) what people will use to buy things
________ (2) what kids will use to study
________ (3) a problem that will be worse
________ (4) a job more people will have
________ (5) what will be in every home to cook and clean
a. computers
b. pollution
c. astronaut
d. space station
e. robots
f. credit cards
答案:f;a;b;c;e
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