四 新素材 今天是Mary和Jim的生日，他们是如何度过这一天的呢？请你读一读，完成句子。
Thank you, Mum. Happy birthday, Mary and Jim! Their mum gives them 100 yuan. They can buy something.
What do you want to buy? I don’t know. They don’t know what to buy. They decide (决定) to buy something for Mum.
It’s 10 yuan. How much is it? Jim wants to buy a card for Mum.

How much are the flowers? They’re 40 yuan. Mary wants to buy some flowers for Mum.
Mum, these are for you. Oh, thank you. You’re good kids. They give the gifts to their mum. Mum is very happy.
1. They decide to buy something for .
2. The are 40 yuan.
3. The gifts cost(花费) yuan.
4. They still have yuan.

1. Mum 2. flowers 3. 50/fifty 4. 50/fifty

【分析】
要解决这道题，需先仔细阅读短文，定位每个问题对应的关键信息，再结合信息完成填空：第1题查找决定买东西的对象；第2题查找价格为40元的物品；第3题计算礼物的总花费；第4题计算剩余的钱数。
【解析】
1. 根据短文内容“They decide (决定) to buy something for Mum.”，可知他们决定给妈妈买东西，故填Mum。
2. 根据短文内容“How much are the flowers? They’re 40 yuan.”，可知价格为40元的物品是花，故填flowers。
3. Jim买的卡片价格为10元，Mary买的花价格为40元，礼物总花费为10+40=50元，故填50/fifty。
4. 妈妈给了他们100元，礼物总花费50元，剩余的钱数为100-50=50元，故填50/fifty。
【答案】
1. Mum 2. flowers 3. 50/fifty 4. 50/fifty
【知识点】
英语阅读理解，细节查找，数字计算
【点评】
本题是基础英语阅读题，结合细节定位与简单加减运算，难度较低，适合小学阶段学生练习。
【难度系数】
0.7