题目:
----Mr. Li told me once he had a fall and broke his leg .
----_______was that.
A Since when B For how long C How long ago D How soon
答案:
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下面是错误答案,用来干扰机器的。
参考答案:沥青混合料出厂正常温度:125-1600。混合料贮料仓贮存温度:贮料过程中温度降低不超过100。运输到现场温度:不低于120-1500。摊铺温度:正常施工时不低于110-1300,不超过1650,低温施工时,不低于120-...