第二节语法填空(共10小题； 每小题1. 5分, 满分15分)
阅读下面短文, 按照句子结构的语法性和上下文连贯的要求, 在空格处填入一个适当的词或使用括号中词语的正确形式填空, 并将答案填写在答题卷标号为31～40的相应位置上。
What is the color of the universe? Astronomers had not answered this question 31 several years ago—that is 32 two American astronomers reported on their study of all the light in the universe. They said that the universe would appear to the human eyes to be a light greenish color, 33 (call)turquoise. They said that finding the color of universe was not part of their scientific research. They did it for fun.
