【单选题】Which of the following sentence is not true?
A.
When an element can form more than one kind of cation, we should use the stock number to equal to the charge of cation.
B.
When an element can form a variety of oxoanions with different numbers of oxygen atoms, the ion with the larger number of oxygen atoms is given the suffix –ite.
C.
The metal comes first and the nonmetal second in both naming and writing the formula for a binary ionic compound.
D.
The hydrates are named by adding the hydrate with a Greek prefix behind the name of the compound.
【简答题】对于以下等价类,采用“加权合并规则”(也称“重量权衡合并规则”),进行并查运算,给出最后父节点索引序列。For the following equivalence class, please use "weighted union rule" and UNION/FIND algorithm to write down the final parent node index sequence.4-...
【简答题】图甲简单表示一雄性哺乳动物体内细胞的某些生命活动。请据图回答一组相关问题: (1)a是动物体内仍然保留着的少数具有分裂和分化能力的细胞,这一类细胞被称为_________。 (2)若要研究e图细胞内各种细胞器的组成成分和功能,需要将这些细胞器分离出来,常用的方法是_______________。 (3)图C含有的染色体组数是____________。 (4)在d图中,理论上说,要合成1条含有141...
【简答题】完成以下八会穴的匹配。A. 腑会B. 气会C. 脉会D. 筋会
【简答题】When we use numbers to express quantities precisely, we may use ___________________, etc.
【简答题】对于以下等价类,采用“加权合并规则”(也称“重量权衡合并规则”),进行并查运算,给出最后父节点索引序列。For the following equivalence class, please use "weighted union rule" and UNION/FIND algorithm to write down the final parent node index sequence.8-...
【判断题】图示调心滚子轴承是安装在退卸套1上,通过退卸套1与光轴2联接,内圈具有很紧的配合。
【单选题】支原体是最简单的细胞,下列叙述不正确的是()。
A.
是目前发现的最小、最简单的细胞,直径一般只有0.1~O.3μm
B.
目前已经从动物、污染的环境及植物中分离出很多支原体
【多选题】以下经济业务,不应记入制造费用账户借方的有( )