【推荐1】I will ________ (奉献) the rest of my life to scientific investigation. (根据汉语提示单词拼写）

【推荐2】Zhong Nanshan has been d_______ himself to fighting against COVID-19. （根据首字母单词拼写）

【推荐1】Negative self-talk ________(损害) self-confidence and decreases self-respect. （根据汉语提示单词拼写）

【推荐2】PSAs are often run for free, and are meant to educate people about health, safety, or any other problem that a__________ public welfare. (to do something that produces an effect or change in something or in someone’s situation)

【推荐3】People with a poor memory often f       things.

【推荐1】Members go on the site and ________ (登记)the books they own and would like to share. (根据汉语提示单词拼写)

【推荐2】I think that young children often ________ modern pictures better than anyone else. （根据句意填空）

【推荐3】As the technology continues to develop at a fast pace, questions a________ about how to use it appropriately. (根据首字母单词拼写)