【单选题】指出肺脓肿叙述哪一项错误?
D.
血源性表现为大小不等斑片及结节影,部分有小空洞
【单选题】Both my parents went out to work, so I didn't know _________ after my baby sister. [ ]
【判断题】真化合酸是酸式盐中的SO2 及正盐中的SO2 。
【单选题】指出肺脓肿叙述哪一项错误?
D.
血源性表现为大小不等斑片及结节影,部分有小空洞
【单选题】I would like to take this chance to thank my teachers and parents, without _____ I wouldn't be so successful today. [ ]
【单选题】impressionne beaucoup les touristes, ce sont ses beaux paysages.
【单选题】“生活中处处有化学”,下面化学知识的运用不合理的是( )
D.
用熟石灰检验化肥的成分是NH 4 NO 3 还是K 2 SO 4
【单选题】I told the truth to my parents _______ they wouldn’t worry about me any more. [ ]