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All over Europe, and in North America, there’re lakes and forests which are dead or{{U}} (71) {{/U}}and the{{U}} (72) {{/U}}is thought to be acid rain. What is acid rain Mr. Justin Cook, a scientist, explains: "All fossil fuels, (矿物燃料)，that{{U}} (73) {{/U}}oil, coal and gas, contain sulphur. When these are burnt, for example{{U}} (74) {{/U}}motor vehicles, they form sulphuric acid (硫酸)This{{U}} (75) {{/U}}UP into the air, and soon it falls back to{{U}} (76) {{/U}}, into lakes and{{U}} (77) {{/U}}trees in forests." This can cause many local problems.{{U}} 78 {{/U}}a result, lakes become acidic, fish disappear and trees are killed. The pollution is carried great distances by the wind, so sulphuric acid{{U}} (79) {{/U}}in Britain can travel as far as Scandinavia (斯堪的纳维亚). Czech is one of the countries with the most acid rains and larg A. is B. consists C. are D. composes [单项选择]在体内可转化为维生素A的是（）。
A. 维生素E B. 胡萝卜素 C. 维生素D D. 不饱和脂肪酸 [简答题]个人异议信息确实有误的,商业银行不能采取的措施是________。
[单项选择]下列哪项不符合癫痫药物治疗原则（）
A. 大剂量开始 B. 单一用药无效者可联合用药 C. 达疗效后继续正规用药 D. 连续3年无发作后可缓慢减量 E. 以小剂量维持后停药 [单选题]如采取客流引导、延缓乘客进站速度、调整运力、线控、网控等方式仍无法缓解客流压力,必要时车站应采取何种措施?
A.变更交路 B.暂停乘客进站 C.加开空车 D.越站 [单项选择]五行属“土”的是（）
A. 角音 B. 羽音 C. 徵音 D. 宫音 E. 商音 [单项选择]鼻烟壶内通过的主要结构为（）。
A. 尺动脉 B. 桡动脉 C. 正中神经 D. 尺神经 E. 拇收肌 我来回答: 提交
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