初中化学教材中常用下列词语描述物质的性质：a．氧化性b．还原性c．可燃性d．毒性e．吸水性f．溶解 性g．酸碱性h．腐蚀性，请选择合适的代号(a～h)填写下列空格（每格只填一个代号）：
(1)浓硫酸通常用作干燥剂，是因为它有________
(2)氢气可用作高能燃料，是因为它有____
(3)氧气在燃烧反应中一般表现出____
(4)用一氧化碳冶炼铁，是利用它的____
(5)石蕊和酚酞可用来检验溶液的____
(6)硫酸和氢氧化钠对人的皮肤有____
(1)e
(2)c
(3)a
(4)b
(5)g
(6)h
| 阅读理解。 | |
| After a quick breakfast in the station restaurant, Peter set off to look for a room where he could live for the next few months. He knew exactly what he wanted: a room which was not too small, nor so large that it would be difficult to beat in winter It had to be clean and comfortable too but, above all, it had to be quiet. In the newspaper he had bought from the bookshop, there were very few advertisements (广告) for rooms to let. But, as he glanced down the page, a notice caught his eye.
a narrow street just off the main road. The woman at the desk gave him a bright smile as he entered and, after Peter had explained what sort of room he was looking for, he paid two pounds for a list of about half a dozen landladies who had rooms to let. | |
| 1. What does the text mainly describe? | |
| A. Peter's room hunting experience B. Peter's determination to find a room C. The difficulties in finding room. D. The housing maker | |
| 2. Peter's most important consideration in choosing a room was that it should be ______. | |
| A. neat and tidy B. away from noise C. of the right size D. warm in winter | |
| 3. The underlined word "this" in the second paragraph refers to ______. | |
| A. a list of rooms to let B. the newspaper Peter bought C. the notice in the restaurant D. Johnson's Housing Agency |