多项选择题 关于项目经理部的责任，下列表述中正确的是（）。

单项选择题 第一节 短文理解1根据短文内容，判断文后给出的陈述是否正确。认为正确的，选[A](True)；认为错误的，选[B](False)。Once a young man bought a pair of trousers for himself. The size of the new trousers was two inches longer than his. So be asked his mother or either of his two sister Io shorten (使变短) them. They all smd nothing to him because they were too busy. But none of them forgot the trousers. They did it one after another as soon us they were free without rolling the other. The next morning when the young the put on the trousers. be fund the trousers had been four inches short.A young man bought himself a pair of trousers.A．True.B．False.

多项选择题 室内消火栓由消火栓和（）主要部件组成。