化简:(2x﹣5)2﹣(2x+5)2.
解:原式=(2x﹣5+2x+5)(2x﹣5﹣2x﹣5)
=4x(﹣10)
=﹣40x.
脊髓灰质炎后遗症患者的功能评定不包括()
A.肌力评定
B.步态分析
C.感觉评定
D.ADL评定
E.关节活动范围测量
句型转换:
1.He is playing soccer now. (改为一般疑问句)
________ he ________ soccer now?
2.Mary has a lot of friends in China. (改为否定句)
Mary ________ ________ ________ friends in China.
3.Jimmy is from Canada. (同义句)
Jimmy ________ ________ Canada.
4.People play basketball at school. (对画线部分提问)
________ ________ people ________ basketball?
5.are, of, photos, here, some, my. (连词成句)
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