A:2﹣3=﹣8
B:(2x2)3=8x6
C:x6÷x2=x3
D:x2+x3=2x5
I give you a map _________ you won't get lost.
— __________?
— They're yellow.
材料一:海军像一棵树,只有在合适的土壤中才能开花结果。
——严复(北洋水师学堂总教习)
材料二:辛亥革命不仅打响了推翻千年帝制的“第一枪”,而且迈出了民主共和的“第一步”。
——马敏(辛亥革命研究学者)
材料三:《天演论》……像野火一样,延烧着许多少年的心和血。
——胡适(新文化运动的倡导者)
(____) I'm looking out of the window.
(____) Some children are making a snowman.
(____) In this photo,we are in the mountains.
(____) The wind is blowing and the sun is shining.
(____) I am having a lovely time.