液体体积随压力变化而改变。在一定温度下,每增加一个单位压力,液体体积的相对变化值,称为液体的压缩性。
参考答案:对
Interviews were carried out ________ over the telephone,via e-mail or fax or face to face in four cities including Beijing,Shanghai,Guangzhou and Wuhan.
A.supremely
B.extremely
C.officially
D.slightly
下列哪种细菌是医院感染最常见的致病菌()
A.肺炎链球菌
B.腐生葡萄球菌
C.耐甲氧西林金黄色葡萄球菌
D.乙型溶血性链球菌
E.脑膜炎奈瑟菌