问题
单项选择题
Einstein’s photoelectric theory then () scientists’ appreciation of TV principles. But for his epoch-making theory, other scientists would have spent more years groping for it.
A. threw light on
B. gave rise to
C. led the way to
D. brought into effect
答案
参考答案：A
解析：
throw light on“使明白”；give rise to“引起；导致”；lead the way to“带路；引向”；bring into effect“使实施”。题句意为：“爱因斯坦的光电理论使科学家懂得正确评价电视原理，若不是他的划时代的理论，其他科学家们还得花费许多年进行摸索。”