皮皮学,免费搜题
登录
搜题
【单选题】
右图所示装置可用于测定空气中氧气的含量,实验前在集气瓶内加入少量水,并做上记号。下列说法中不正确的是(   )
A.
实验时红磷一定要过量
B.
实验前一定要检查装置的气密性
C.
该实验证明氧气体积约占空气总体积的1/5
D.
红磷燃烧产生大量的白雾,火焰熄灭后立刻打开弹簧夹
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
.
..
皮皮学刷刷变学霸
举一反三
【单选题】下列各项中应反映在交易性金融资产的初始计量金额中的是( )。
A.
股票的买入价
B.
佣金
C.
支付的印花税
D.
增值税进项税额
【简答题】The study of the biochemical and physiological effects of drugs and their mechanisms of action are termed as pharmacodynamics. It is unique mainly in that attention which is focused on the characteris...
【单选题】which pathology that determines the severity of tetralogy of Fallot is
A.
atrial septal defect
B.
aortic treadmill
C.
ventricular septal defect
D.
pulmonary artery stenosis
E.
right ventricular hypertrophy
【简答题】SOPC 中文名称
【单选题】下列各项,应反映在交易性金融资产的初始计量金额中的是( )。
A.
债券的买入价
B.
支付的手续费
C.
支付的印花税
D.
支付的佣金
【单选题】下列各项,应反映在交易性金融资产的初始计量金额中的是( )。
A.
债券的买入价
B.
支付的手续费
C.
支付的印花税
D.
支付的进项税额
【单选题】Which one of the following disciplines involves the study of the chemical processes that occur in living organisms with the ultimate aim of understanding the nature of life in molecular terms?
A.
Pathology
B.
Biochemistry
C.
Anatomy
D.
Physiology
【简答题】以ALTERA FPGA 为平台进行SOPC硬件开发的图形化操作过程中,后台会产生一些文件,解释以下后缀名的文件的主要作用(qpf 、bdf 、qsys、sopcinfo、qip )?
【单选题】Review of a series of surgical pathology reports indicates that a certain type of neoplasm is diagnosed as grade I on a scale of I to IV. Clinically, some of the patients with this neoplasm are found ...
A.
Unlikely to be malignant
B.
Arising from epithelium
C.
May spread via lymphatics and bloodstream
D.
Has an in situ component
E.
Well-differentiated and localized
【单选题】A 22-year-old woman is discovered to have a nontender thyroid nodule that is found to be a cold nodule on a radioisotope scan. The pathology report from a fine needle aspiration of the nodule describe...
A.
Hyperplasia of follicles
B.
Inspissation of colloid
C.
Invasion into vessels
D.
Number of mitoses
E.
Presence of atypia
相关题目: