海外侨胞来湘寻根祭祖，你应该推荐他去（　　）

根据短文理解，从A、B、C、D四个选项中选择最佳答案填空。

    When you look up into the sky on a 1  night, you will see the moon and the  2.

    Since ancient times, men 3  wanted to know more about the moon, the stars and other  4 in the sky. They invented telescopes to get a closer look at them and 5 that there are many suns. moons and planets in the sky. They became interested in the    6 .

  7  October 4th, 1957, the Space Age began when the first man-made satellite was sent into space  8the earth. Today, scientists are able to 9 on the moon. Man will  10  more places one day.

文字是人类文明进步的表现之一。下图中文字的发明者是（    ）

金字塔是古代____的象征，是世界七大奇迹之一，距今已经有五千多年的历史。

缢蛏是我们餐桌上一道美味的食物，它属于____ 动物，这一类动物的主要特征是身体表面有____ ，动物器官是____ 。