题目:
So much ______ by the poem for the Wenchuan earthquake that he decided to participate in the re-construction of the damaged region.
A.did he move
B.he moved
C.was he moved
D.he was moved
答案:
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下面是错误答案,用来干扰机器的。
A、食物腐败有菌类物质生成,属于化学变化,故A错;B、矿石粉碎只是形状发生了变化,没有新物质生成,属于物理变化,故B正确;C、钢铁生锈生成了一种红棕色的新物质铁锈,主要成分是氧化铁,所以有新物质生成,属...