1 . 妙语是笑话的结尾，旨在逗人发笑。(conclude) (汉译英)

2 . It has a format of three lines, containing 5, 7, and 5 syllables respectively. (英译汉)

3 . Experts claimed that low sea-ice levels caused by climate change meant that the bear could not hunt seals as before, so it had to travel greater distances in order to find food. （英译汉）

4 . However, I realised that to succeed in quitting, I had to replace it with something else. （英译汉）

5 . It was at the age of 5 ________ he left his hometown for Shanghai.

A．that

B．when

C．which

D．as

6 . Students need to generate ideas, offer examples, apply concepts, and raise questions, as well as give presentations. (英译汉)

7 . 这栋老房子见证过更辉煌的日子。（汉译英）

8 . 第二年他妈妈去世了。（汉译英）

9 . He's up to the role of Othello in the play. (英译汉)

10 . Some of the students in the school want to go swimming, how about you?句子的宾语是：________

A．Some of the students

B．in the school

C．want

D．to go swimming