单项选择题In people with paralysis, however, the damaged tissue interrupts or weakens any electrical signals coming from the brain. 句中的多词并用属于近义词并用。 A、正确 B、错误
单项选择题室内空气多点采样时应按对角线或梅花式均匀布点，采样点应避开通风口，离墙壁距离应大于____m，离门窗距离应大于____m。( )
