2017年秋外研版必修1 Module6 Section Ⅰ同步练习含答案 基础训练 Ⅰ.根据句意及提示，写出所缺单词的正确形式 1. She came by the data from different kinds of ________(来源). 2. It is said that soft drinks ________(包含) carbon dioxide are not good for health. 3．It is said that the Great Wall was built as a ________(defend) against enemies. 4．We should try our best to help those who don’t have ________(accessible) to education. 5. We must not let news about this secret ________(invent) get out. 6．The struggle will not stop until the country achieves ________(independent). 7．If a computer ________(crash) while you are working on it, your latest information may be lost. 8. His speech was ________(frequent) interrupted by stormy applause. 答案： 1．sources 2.containing 3.defence 4.access 5．invention 6.independence 7.crashes 8.frequently