Which of the following statements does not agree with the facts in the passage？
A. The displays in digital clocks and calculators are just produced by early LEDs.
B. Irvine-Halliday believes that LED will certainly become the world's main source of artificial light
C. A decade ago, engineers developed red and blue LEDs, which were regarded as a mile-stone in this research.
D. It is the blue LED developed by a Japanese engineer that had a great impact on the research process.
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下列说法中正确的一项是()。
A. 从建国到1965年，我国工业国民收入始终呈上升趋势
B. 从建国到1965年，我国农业国民收入始终呈上升趋势
C. 62年至66年，我国农业国民收入的每年增长率始终大于农业国民收入的增长率
D. 62年至66年，我国工业国民收入的每年增长率始终大于工业国民收入的增长率
如图，长方形ABCD的面积是1，M是AD的中点，N在AB边上，且AN=BN。那么，阴影部分的面积等于()。
A. 1/2
B. 1/3
C. 5/12
D. 7/11
全国重点文物保护单位不得()。
A. 参观
B. 搬迁
C. 拆除
D. 占用
From the first paragraph, we can see that Dave Irvine-Halliday________.
A. is a mountain climber
B. went to that village to repair the lamps
C. found the villagers were using the lamps he had given them
D. has visited the small village several times
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