1.
Determination of As(Ⅲ) and As(Ⅴ) In Seawater with AFS
原子荧光光谱法测定海水中砷(Ⅲ)和砷(Ⅴ)
2.
Determination of Soluble As(Ⅲ) and As(Ⅴ) in Mineral Medicines by Ion Chromatography
离子色谱法测定矿物药中可溶性砷(Ⅲ)和砷(Ⅴ)
3.
Determination of As(Ⅲ) and As(Ⅴ) in Water with Solvent Extraction by Atom Trapping
溶剂萃取原子捕集测定水样中的砷(Ⅲ)和砷(Ⅴ)
4.
Adsorption of arsenate aqueous solutions by polymeric Al/Fe modified montmorillonite
柱撑蒙脱石对水中砷(Ⅴ)的吸附研究
5.
Effect of Phosphate on Arsenate Adsorption by Brown Soil
pH和磷酸根对砷(Ⅴ)在棕壤上吸附解吸的影响
6.
Determination of Soluble Arsenic(Ⅲ) and Arsenic(Ⅲ) in Niuhuang Jiedu Tablets by AFS
原子荧光光度法测定牛黄解毒片中可溶性砷(Ⅲ)和砷(Ⅴ)
7.
Direct Determination of As(Ⅲ) and As(Ⅴ) in Environmental Water Sample by Hydride Generation-Atomic Fluorescence Spectrometry
氢化物发生-原子荧光光谱法对环境水样中砷(Ⅲ)与砷(Ⅴ)的直接测定
8.
Investigation on the Method of Extraction-Separation fr High Contents of As(Ⅲ)and As(V)
高含量砷（Ⅲ）与砷（Ⅴ）的萃取分离法研究
9.
Research on Adsorption of Arsenic(Ⅴ) by Fe(Ⅲ)-loaded Chelating Resin;
Fe（Ⅲ）负载型螯合树脂吸附砷（Ⅴ）的研究
10.
Studies on the Adsorption of Arsenate by Ferric Hydroxide, Aluminum Hydroxide and Composite-aluminum Hydroxide;
铁、铝及其复合氢氧化物去除水中砷（Ⅴ）的吸附研究
11.
This year, I will go to Canada with my father.
Ⅴ. Write and draw. 写写画画。
12.
1. pen, I, find, can't, my
Ⅴ. Form sentences. 连词成句。
13.
Do you like collecting leaves in fall?
Ⅴ. Read and write. (读句子，写单词。)
14.
Because the bird stammers.
Ⅴ. Knowing about words. （构词小知识）
15.
You probably know that some English words came from French.
Ⅴ. Cloze test (完形填空) (10分)
16.
Mrs. Jones taught music at a school. She had a good voice and enjoyed singing.
Ⅴ. Reading comprehension (阅读理解) (10分)
17.
The arsenic group(CH3)2As-.
二甲砷基砷基（CH3）2As－
18.
galinium arsenide
ph.1. 砷化镓