2 . It is strongly advised by Professor Xu that English learners should have a good c______ of a large vocabulary. (根据首字母单词拼写)

3 . It is widely acknowledged that the point of the competition is to encourage all people to unlock their hidden p______. (根据首字母单词拼写)

4 . The company promises to give ______(prefer) to his application for the post, for he has working experience in this field. (用所给词的适当形式填空)

5 . Upon hearing that his grandmother was ill, Bob hurried back to her hometown in the countryside without any h______. (根据首字母单词拼写)

6 . Technology is here to stay, but there are still people out there who live a happy life in the a______ of new technology. (根据首字母单词拼写)

7 . High school should put e______ on students’ overall development instead of just focusing on their academic performance. (根据首字母单词拼写)

8 . 通过研究，他们发现并测试了380种不同的有望战胜疟疾的古代中医疗法。
From their research, they discovered and tested 380 ________ ancient Chinese medical treatments that showed ________ in the fight against malaria.