题目

The crowd is too noisy, but anyway I have to make myself ______ to them because the news is so important to them. A.known B.understoodC.heard D.known   答案:D(2012?师宗县模拟)下面四种说法,正确的有(  )种.①把一根10米长的木头平均分成5段,每锯下一段都需要8分钟,锯完一共要用40分钟.②3个连续自然数的和是210,这3个数中最小的数是70.③自行车和三轮车共10辆,总共有26个轮子,其中自行车有4辆.④从这个组合体的上面看到的相应图形是.A.1B.2C.3D.4
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