1.First, put two objects with the same weight into two boxes, second, cover the box。通读第二自然段，很容易理解该实验的四个步骤：首先是将两个重量相同的物体分别放进盒子里。然后将盒子盖上。接下来用一张红色纸将其中的一只盒子包上，另一只盒子用白色的纸。最后是将这两个盒子放在手中掂一掂。由此可得答案。

5.If you stay in a room with red windows, wallpapers and furniture for two hours, you’ll feel you’ve been there for four hours because ___________________________________________.

　[解题思路点拨]这是一篇有关颜色的科普小品文。实验表明，在人的感觉中，颜色不仅具有重量，而且还有气味。更为有趣的是，不同的颜色对人的心情、健康还有影响呢。

4.If a person walks out of a green room into a ________room or a ________, his body temperature will rise.

3.The scientist told us that colors have not only _________ but also __________.

2.In a man’s mind, the heaviest color is ________, then ____________.

1.If you want to know if a color has weight, you can do a small experiment. First, __________. Second, _____________. Third, wrap one box with a red piece of paper, the other with a white piece. Then, holding the boxes with your hand one by one, you may get the result.