圆柱体的体积和它的容积一样大.______.(判断对错)
体积:物体所占空间的大小;
容积:容器所容纳物质的体积;
所以圆柱的体积和它的容积一样大,说法错误.
故答案为:错误.
His mother goes to work ____________.[ ]
A. by a bike
B. by her bike
C. by bike
关于脓胸的感染途径,下列哪项是不正确的?()
A.肺炎时病菌可直接侵入胸膜腔
B.肺脓肿穿破入胸膜腔
C.肺结核空洞溃破或肺大疱破裂形成脓气胸
D.病菌不能经淋巴道扩散至胸膜腔
E.脓毒血症时病菌经血循环进入胸膜腔