一种商品价格（P）上涨，会引起其替代商品需求量（Q1）的变化，同时也会引起其互补商品需求量（Q2）的变化。在其他条件不变的情况下，图1中正确反映它们之间变动关系的是
A B C D
答案：D
题目分析：该题既需要对所学知识熟练掌握和理解，还需要对题中图示准确解读。一种商品价格上涨，人们对其需求量减少，对其替代品的需求量会增加，对其互补品的需求量会减少，D说法正确；ABC说法错误。
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| Every morning, Anne Ravenscroft gently wakes her daughter Heidi so that she can wash and dress her ready to start the day. Later, as she continues to 1 Heidi, Anne chats about the weather, the birds and other things. All day long, Anne is there to wait on her daughter's every 2 . But Anne is no new mother 3 her baby: she is 81 and a grandmother. Her 46-year-old daughter is so 4 that she can't speak, walk or do anything without the help of her 5 . Heidi has a neurological (神经病学的) condition called Rett Syndrome, which has left her unable to 6 . Ever since she was born, her main 7 has been her mum, Anne. For 46 years, Anne has thrown herself into this 8 role, and she goes on to 9 her daughter's every need. It is for this 10 that Anne has been crowned (为…加冕) winner of the Daily Mail Carer of the Year awards. She was 11 because of her patience and kindness, 12 which she continues to carry out this role. Anne remembers:"It was 13 shocking when Heidi was diagnosed (诊断), especially to know there was nothing we could do to 14 her. But Anne never looked for 15 or reward; she just cared for her daughter. Anne admits that her relationship with Heidi is 16 . "I'm very touched that other people have seen 17 in what I've done," she says. "And I have only done what has come naturally to me when faced with my 18 child. Looking after Heidi has felt like a privilege. 19 her, I've known more joy in my life than heartache. My daughter has never 20 a burden, and caring for her has never been a chore." | ||||
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