1.
Studies on the Complexes of Sn (Ⅳ), Pd (Ⅱ) and Au (Ⅲ) with Di(2-Ethylhexyl) Sulfoxide
锡(Ⅳ)、钯(Ⅱ)、金(Ⅲ)与二(2-乙基己基)亚砜配合物的研究
2.
Catalytic Fluorophotometric Determination of Trace Amounts of Tin(Ⅳ) Based on Fluorescence Quenching Effect
基于荧光猝灭效应的催化荧光光度法测定痕量锡(Ⅳ)
3.
Effect of Sn(Ⅳ) on Corrosion Resistance of Tin Coatings in PSA Tin Plating Bath
PSA镀锡液中Sn(Ⅳ)含量对镀层耐蚀性的影响
4.
Studies on the Adsorptive Voltammetry of Tin(Ⅳ)、Silver(Ⅰ) and Antimony(Ⅲ) at Chemically Modified Carbon Paste Electrodes;
锡（Ⅳ）、银（Ⅰ）、锑（Ⅲ）在化学修饰碳糊电极上的吸附伏安法研究
5.
Synthesis, Characterization and Crystal Structure Study of Novel Organotin(Ⅳ) Carboxylates;
新型有机锡（Ⅳ）羧酸酯的合成、表征及晶体结构的研究
6.
Of, containing, or yielding tin.
锡的含锡的或产锡的
7.
1. our country, a map, This, of, is
Ⅳ. Make sentences. 连词成句。
8.
1. is, ready, Breakfast
Ⅳ. Mark sentences. 连词成句。
9.
Of, relating to, or made of tin.
锡制的锡的，与锡有关的或由锡制成的
10.
tinfoil capsule
(酒瓶的)锡箔帽，锡箔套
11.
kanner's tinplate
肯纳薄锡层镀锡薄钢板
12.
best coke tin plate
最优薄锡层镀锡薄钢板
13.
best charcoal tin plate
最优厚锡层镀锡薄钢板
14.
A thin sheet of metal, especially of tin.
锡铁片薄金属块，尤指锡
15.
foil made of tin or a tin-lead alloy.
用锡或锡合金做的箔片。
16.
To plate or coat with tin.
镀锡给…覆上或镀上锡
17.
C. Because he didn't have breakfast.
Ⅳ 听短文，填写所缺单词。
18.
It is flying. What else can fly. Butterfly.
Ⅳ. Choose the best answer. 选择最佳答案。