⑴Can I play with your rabbits? A. Of course, you can.
⑵Where is Fido now? B. No, it isn't.
⑶Is the dog climbing? C. Yes, they are.
⑷Are they reading book in the classroom? D. He is reading books.
⑸What is Mike doing? E. It is in the park.
A.从别人推荐的书目中找。 B.从感兴趣的题材中找。
C.从感兴趣的作家、作品中找。 D.读各种不同题材、体裁的书籍。
4.9+1.1= 7.5-5= 6-0.07= 1-0.81=
0.2+2.8= 8.4-4= 1.25+0.5= 5.1-0.8=
0.25+0.4= 0.37+0.3= 90×0.6= 0.4×500=
①清平乐(yuè lè)
②最喜小儿亡(wánɡ wú)赖
③溪头卧剥(bāo bō)莲蓬
把棱长为5分米的正方体切成两个长方体,它的表面积增加了50平方分米.