If you are given a topic,this step is already done.Otherwise,look for subject matter you areInterested in.只是翻译，for quick research on a subject ,a dictionary,encyclopedia ,and the Internet are all excellent sources .For example ,if your topi

来源：学生作业帮助网 编辑：作业帮 时间：2024/09/09 18:32:53
x咱N0_ J_ ԉgpKֵfC,ek%*AK+$ixJ00"&˾!1d(i1 `$\! @дPFKفP*бFjKAWl{An>fnr(f-^!0jD% P.# %]*Zpا9 ZƊ`t#ఊVUj3AGAT?AG,/cc1ʘ`}5|v]7BB[ZX2W޿e촸ڤ&[dyJn'v=._>mQ0,c7Ա۳y|/u7tDD