Ⅰ.单句语法填空：根据句意，在空线处填上适当的介词。
1．(2019·北京海淀区高三4月期中)A review of this emotional mirroring appears ________ February 11 in Trends in Cognitive Sciences.
答案：on 表示具体日期用介词on。
2．(2019·宁夏吴忠中学高三下一模)Gates recommended four books ________ 2018, though some were published earlier.
答案：in in用在年份前，表示“在某年”。
3．(2019·广东省惠州市高三第一次调研考试)Thanks ________ the Qianlong Emperor of the Qing Dynasty, the tea has earned a high reputation.
答案：to thanks to意为“幸亏，由于”，为固定搭配。
4．(2019·吉林省名校高三下联合一模)The storyline may seem a little childish but you can enjoy it ________ any age.
答案：at at any age为固定短语，表示“在任何年纪”。
