有机物的结构简式如右图，下列对其化学性质的判断中，不正确的是( )
A．能被银氨溶液氧化
B．能使KMnO4酸性溶液褪色
C．1mol该有机物只能与1molH2发生加成反应
D．1mol该有机物只能与含1molBr2的的溴水发生加成反应
答案：C
题目分析：根据有机物的结构简式可知，分子中含有1个碳碳双键和1和醛基，则选项ABD均是正确的。C不正确，1mol该有机物能与2molH2发生加成反应，答案选C。
点评：该题的关键是准确判断出有机物分子中含有的官能团，然后依据相应官能团的结构和性质灵活运用即可，有利于培养学生的逻辑推理能力和知识的迁移能力。
| 阅读理解。 | ||||||||||||
| How do you get your pocket money, and how do you spend it? Let's see how different the answers from a Chinese boy and an Australian boy are: Li Meng, in Junior 2 at a middle school in Beijing and James Wardley, a secondary school boy in Melbourne, Australia Where do I get my money?
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| 1. James Wardley usually ______ for fun. | ||||||||||||
| A. buys cartoon books B. takes pictures C. goes to the cinemas D. reads newspapers | ||||||||||||
| 2. From the reading, we know that the Australian boy can get his money ______. | ||||||||||||
| A. by working himself B. from his parents C. by selling newspapers D. from his friends | ||||||||||||
| 3. James Wardley can save about ______ per week. | ||||||||||||
| A. $45 B. $50 C. $20 D. $15 | ||||||||||||
| 4. How much money can Li Meng get per month? | ||||||||||||
| A. ￥20 B. ￥40 C. ￥80 D. ￥l00 | ||||||||||||
| 5. Li Meng usually spends ______ yuan on phone bill. | ||||||||||||
| A. 15 B. 21 C. 50 D. 29 |