听力音频：

Part 3 – 21 世纪发明讨论-匹配+单选

Questions 21–26【匹配题，音频缺失】

Match each innovation with the feature mentioned by the speakers.

Choose SIX answers from the box and write the correct letter A–H next to Questions 21–26.

List of Features

A. Meets energy demand globally

B. Has a more attractive appearance

C. Was originally developed for use in space

D. Improves the quality of food

E. Helps people to move more easily

F. Can be manufactured economically

G. Used in small electric equipment

H. Involves a wireless system

Questions 27-30

Choose the correct letter, A, B or C.

What is the feature of global seed vault in the Arctic Circle? A. it was the first seed store in the world B. the seeds can be preserved for a long time C. the seeds can survive in dry and cold climate
Who can have access to the seeds in the vault? A. scientists and researchers B. Norwegian Science Program C. countries which have buried seeds in it
What was mentioned about the space vehicle called Orion? A. the plan failed to come true B. it carried men to the moon C. it carried a robot to Mars
Why doesn’t Joe want to present space exploration in her presentation? A. she has limited knowledge about it B. money can be used to help the poor C. it is not important for the topic