石灰遇水后易发生水化作用，因此生石灰必须储存在干燥的环境中，运输时要做好各项防水工作，避免石灰受潮、淋雨，防止火灾发生或使石灰失去效能。( )
参考答案：对
阅读广告，选择正确的答案。（10分）
小题1:The ad.（广告）is for a _______ shop.
A．clothes
B．book
C．fruit
D．food小题2:Which are more expensive(更贵),the apples or the oranges?
A．Apples
B．Oranges
C．The same
D．I don’t know.小题3:If you want to buy two kilos of oranges,you should pay(付)_______.
A．￥4.00
B．￥3.00
C．￥2.00
D．￥1.00小题4:How much are 5 bags of milk?
A．￥1.20
B．￥6.00
C．￥3.60
D．￥2.40小题5:How much are two hamburgers?
A．￥3.00
B．￥2.50
D．￥4.00
问该患者可能的诊断考虑是
A．椎体肿瘤B．强直性脊柱炎C．化脓性脊椎炎D．脊柱结核E．胸椎间盘脱出
