这位国王看过了所有的图画，但是只有两幅画是他真正喜欢的，他将从中选出一幅最好的图画来。
Many artists tried. The king looked at all the pictures. But there were only two he really liked, and he had to choose between them.
一天，皇帝想让人给他画一幅肖像，于是他把所有伟大的画家都请来，让他们展示自己最好的作品，以便他挑选最好的。
One day the emperor wanted to get his portrait done so he called all great artists to come and present their finest work, so that he could choose the best.
一幅彩色插图显示了哪些种类的建筑物和房间能够提供最好的防辐射保护。
A color illustration shows which kinds of buildings and rooms offer the best protection from radiation.
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