题目

（10株洲）23．(3分)自来水消毒过程中常会发生如下化学反应，其反应的微观过程可用下图表示：(“O’’表示氧原子，‘‘●”表示氢原子，“’’表示氯原子)  (1)上述图中所出现的物质中，共有          种含有氧元素的化合物。(2)从图中我们可知，在化学反应中，反应前后          个数不变。(3)上述两个化学反应是否都属于四种基本反应类型：        (填“是”或“否”)。  阅读下面短文，从短文后各题所给的四个选项(A、B、C和D)中选出可以填入空白处的最佳选项。 　　When he was driving home one evening on a country road, he saw an old lady on the side of the road．He 　　1　　 in front of her ear and got out．Even with the 　　2　　 on his face, she Was worried．He looked poor and hungry．He knew 　　3　　 she felt．He said,“I am here to help you, madam．Why don't you wait in the ear where it's warm? 　　4　　, my name is Joe．” 　　She had a 　　5　　 tire．Joe crawled under the ear, changed the tire．But he got 　　6　　 and his hands hurt．She could not thank him 　　7　　 and asked him how much she 　　8　　 him．He told her that if she really wanted to 　　9　　 him back, the next time she saw, someone who needed help, she could give that person the 　　10　　 they needed． 　　She drove off．A few miles down the road the lady saw a small 　　11　　．She went in．The waitress had a sweet smile, and was nearly eight months 　　12　　．The old lady 　　13　　 how someone like her who seemed poor could be so kind to a 　　14　　．Then she remembered Joe．After the lady finished her meal．the waitress went to get her 　　15　　 from a hundred-dollar bill．But she stepped right out the door． 　　when the waitress came back, she noticed something 　　16　　 on a napkin(餐巾纸),“I am helping you because someone once helped me．If you really want to pay me back．here's what you do-Do not let the 　　17　　 of love end with you．” 　　That night when she got home, she was 　　18　　 the money and what the lady had written．She and her husband needed money with the baby 　　19　　．next month．She knew how worried her bus band was and as he lay 　　20　　 next to her, she whispered, “Everything's going to be all right, I love you, Joe．” (1) [　　] A． stood B． drove C． stopped D． waved (2) [　　] A． anxiety B． surprise C． sorrow D． smile (3) [　　] A． why B． how C． what D． whether (4) [　　] A． By the way B． In addition C． By chance D． In return (5) [　　] A． poor B． flat C． round D． used (6) [　　] A． excited B． thirsty C． satisfied D． dirty (7) [　　] A． much B． however C． enough D． further (8) [　　] A． returned B． 1ent C． owed D． appreciated (9) [　　] A． take B． pay C． hold D． charge (10) [　　] A． assistance B． money C． expense D． ability (11) [　　] A． store B． hospital C． cinema D． restaurant (12) [　　] A． elder B． experienced C． pregnant D． served (13) [　　] A． imagined B． doubted C． wondered D． expected (14) [　　] A． woman B． customer C． tourist D． stranger (15) [　　] A． receipt B． change C． payment D． check (16) [　　] A． written B． printed C． drawn D． copied (17) [　　] A． chain B． relation C． devotion D． story (18) [　　] A． putting away B． thinking about C． turning in D． looking after (19) [　　] A． ahead B． extra C． front D． due (20) [　　] A． sleeping B． chatting C． arguing D． drinking