1 . A study of British ________ (口音) during 1970s found that a voice sounding like a BBC newsreader was viewed as the most attractive voice. (根据汉语提示单词拼写)

2 . The ships ______(进口) and ______(出口) raw materials.

3 . Groups of ___________ youth.

4 . The knife is _________.

5 . The old man will _______ from his company in 5 years.

6 . Mexico will ________(抱怨) at the United Nations Security Council (安理会) this week about unequal access to coronavirus vaccines.

7 . A couple register for _______ at a civil service center in Fuzhou, Fujian province, on March 14, 2021.

8 . Many participants ________(委托) the committee with the function of electing a relatively large share of Legislative Council (立法委员会) members.

9 . Professor Bian Zhenfeng shows electronic equipment waste before and after being treated by “Photocatalytic dissolution of ________ metals” technology (“贵金属光催化溶解”技术处理) in Shanghai, on March 30, 2021.

10 . This kind of Chinese rose, named “Angela”, is a type of rose planted in Germany. It blooms in a small bunch of flowers with charming pink buds (蓓蕾) and a ________ scent (香味) of fruit.