下列乘法中,不能运用平方差公式进行运算的是[ ]
A.(x+a)(x﹣a)
B.(a+b)(﹣a﹣b)
C.(﹣x﹣b)(x﹣b)
D.(b+m)(m﹣b)
答案:B
单词拼写(共5小题,每小题1分;满分5分)
小题1:Do you know who i__________(发明) the first computer?
小题2:It’s r______________(报道) that Ping An will sing at the 2014 Spring Festival Gala Evening.
小题3:The story is s_____ (相似的) to the one I read before.
小题4:Shanghai is in e__________(东部) China.
小题5:Would you please t__________(翻译) these sentences into English?
如果胎心监护无异常,B超LOA,BPD9.5cm,胎盘Ⅲ级,AF17.5cm。下列处理正确的是
A.急诊剖宫产
B.择期剖宫产
C.严密监测胎儿宫内情况和胎盘功能情况下催产素引产
D.严密监测下继续妊娠
E.羊膜腔内输液治疗