1 . Firefighters were on the ________(现场) immediately.(根据汉语提示单词拼写)

2 . The _________(航行)from America to France used to take two months. (根据汉语提示填空)

3 . The challenge we face in ________(农业) is lack of new technology. (根据汉语提示单词拼写)

4 . The letter wasn’t addressed to me but I opened it out of ________ (好奇心). (根据汉语提示单词拼写)

5 . Tu Youyou and her team have made a great c________ to the world.(根据首字母单词拼写)

6 . A car accident is one the most major reasons of ________ (死亡) for young adults. (根据汉语提示单词拼写)

7 . We must do what we can do to keep the ______(平衡) of nature.（根据汉语提示单词拼写）

8 . Winning the match was just a ______(回报) for the effort the team had made. (根据汉语提示单词拼写)

9 . When he brings his speech to a nice ______________(结论；结束), Whaley invites the rest of the class to praise him. (根据汉语意思单词拼写)

10 . Because of the a_______ of this medical technology, some diseases can be treated at an early stage. （根据首字母单词拼写）