课时作业(六) 必修2 unit 1 cultural relics ⅰ.单词拼写 1.the experiment,which will be carried out next week,is________(设计) to test the new drug. 2.mr reed has been________(选择) to represent us on the committee of the local government. 3.two car bombs________(爆炸) in the centre of baghdad,killing at least 155 people and wounding 700. 4.the earliest________(证据) suggested that farmers developed potatoes from wild plants more than seven thousand years ago.