【单选题】下列关于碱式滴定管叙述错误的是
B.
碱式滴定管的下端用橡皮管连接一个带有尖嘴的小玻璃管
C.
检查碱式滴定管漏液的方法是装满水,挤压玻璃珠并移动其位置,看管尖有无水珠滴出
D.
若碱式滴定管不漏水即可使用,若漏水则须更换玻璃珠或乳胶管
【单选题】患者男性,岁,有胃溃疡史 8 年,因突发腹痛 3 小时来急诊,诊断胃溃疡急性穿孔,行胃大部切除术后,出现早期倾倒综合征。下列关于术前饮食指导错误的是( )
【判断题】无形资产的摊销期限一经规定,不得随意改变。
【简答题】The results of Gatesâs study were surprising.
【简答题】酸式滴定管用于盛放 滴定液;碱式滴定管用于盛放 滴定液;装有聚四氟乙烯活塞的滴定管可用于盛放 滴定液。
【判断题】In the Method Section, you should state the procedures of your experiment(s) and then report the results of your research questions.
【单选题】The asocial personality of Americans results from
A.
the multiracial constituents of the U.S. society.
B.
the absence of a common religion and ancestry.
C.
the want of shared myths they possess in life.
D.
the obstruction of achieving a general agreement.