下列分子和离子中中心原子价层电子对几何构型为四面体且分子或离子空间构型为V形的是 [ ]
A.NH4+
B.PH3
C.H3O+
D.OF2
答案:D
根据所给的中文或首字母提示,按照句子的要求填写适当的词,每空一词。
小题1:After the match ,the judge _______ (宣布)that our team won the title.
小题2:He thought it is his duty to help ordinary people _______(暴露) to the disease.
小题3:His first speech as president made a strong _______(印象)on his audience.
小题4: In the crash he suffered severe _________(伤) to the head and arms.
小题5:We must ________ (致力于)our efforts on improving education.
小题6:You task will be to examine the _______(可能)of constructing a new factory in China.
小题7:Animals in zoos are not in their natural s_________.(环境)
小题8:He had a badly s_______ (肿胀)ankle after falling down from the stairs.
小题9:My brother a______ (获得)a knowledge of computers by careful study.
小题10:I’m d______ (高兴)to hear of your success.
为了确定是否遵循(),通常不是质量保障审核的目标。
A.适用的法律法规
B.针对内部审计专业实务的一般标准
C.针对内部审计专业实务的专项标准
D.内部审计职能的目标