Ⅰ.用适当的介、副词填空
1．The desire to explore has been with us since our ancestors left Africa to spread ________ all over the world.
2．The information associated________TV sets has been collected.
3．Recently there has been another burst of interest in space as a result ________ the Hubble Telescope.
4．China's contribution ________ international space exploration started ________ the successful launch of the Dongfanghong ⅠSatellite in 1970.
5．Other places worth a visit are the castle, which defended the town ________ the Welsh.
6．Early paper in China was made ________ bamboo fibre.
7．Because ________ the invention of paper, the Chinese were one of the first nations to start producing historical records, maps and literature.
8．This invention made it much quicker and easier to reproduce written work and led ________ the first ever mass－production of books and literature.
