在括号里填分数。
40分=( )时,75 ml=( )L,35 cm=( )dm,8 cm=( )m。
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The mayor's speech at the conference triggered much enthusiasm and confidence among most of the citizens.
A.arisen
B.happened
C.caused
D.aroused
打开与调节阀并联的旁路阀,会使可调比变小,流量特性变()。
A.大
B.小
C.好
D.差