1．By saying "took the world by storm" in the first paragraph, the writer meant the experiment ________.

　　A．destroyed the world

　　B．flooded the world

　　C．fascinated the world

　　D．managed the world

　　解析：选C　词义猜测题。根据第一段的第二句话可知两个青少年把一个玩具乐高人送入了太空，并把过程拍了下来，因此作者想要表达的是这个试验吸引了世人的目光。

　　2．Which of the following about the students at the Massachusetts Institute of Technology (MIT) is right?

　　A．They were examples for Mathew Ho and Asad Muhammad.

　　B．They helped Mathew Ho and Asad Muhammad to achieve dream.

　　C．They launched weather balloon together with Mathew Ho and Asad Muhammad.

　　D．They studied with Mathew Ho and Asad Muhammad in the same school.

　　解析：选A　细节理解题。根据文章第三段的第一句话可知选A。

　　3．How did Mathew and Asad keep their costs down?

　　A．By sewing the weather balloon themselves.

　　B．By borrowing spacecraft from the MIT students.

　　C．By making their spacecraft by hand.

　　D．By using second­hand equipment.

　　解析：选D　细节理解题。结合文章第四段的第二句话可知他们使用二手的设备来节省费用。

　　4．What problems did Mathew and Asad have on launch day?

　　A．They ran out of helium.

　　B．The wind was too strong.

C．The balloon suddenly broke.