The first electronic computer in 1945 was so bulky that it filled a large room and weighed 30 tons.
A.large and heavyB.complicated and roughC.powerful and strongD.heavy and powerful正确答案：large and heavy
The first electronic computer in 1945 was so bulky that it filled a large room and weighed 30 tons.
A.large and heavyB.complicated and roughC.powerful and strongD.heavy and powerful正确答案：large and heavy