9 颗豆豆
1. 单选题
15 秒
From 1989 to 1991, the _____ was invented.
World Wide Web (Internet)
First computer
Plane
2. 单选题
15 秒
In 1916, Einstein invented____
The wheel
The theory of relativity
The Penicillin
3. 单选题
15 秒
In 1976 men invented ______
The first computer
The nuclear fusion
The first test-tube baby
4. 单选题
15 秒
The magnetic compass was invented by
Russian people in the year 1450
Chinese people in the year 1190
Chinese people in the year 1250
5. 单选题
15 秒
When did English people invent the railway?
1825
1985
1885
6. 单选题
15 秒
Who invented the electric light bulb?
Einsten
Gutenberg
Thomas Edison
7. 单选题
15 秒
Who invented the paper in the year 105 AD?
English people
German people
Chinese people
8. 单选题
15 秒
When was the smart phone invented?
1972
1982
1992
2002
9. 单选题
15 秒
Who invented first plane that successfully took off?
The Wright Brothers
Benjamin Franklin
Alexander Bell
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