《2025年快乐过暑假江苏凤凰科学技术出版社七年级提优版》

4. 小军同学在自学了电脑编程后,设计了如图所示的程序,若他输入的数是 3,则输出的数为$-168$.

答案： 4. $-168$

5. 计算：$-4^{2} - 16÷(-2)×\frac{1}{2} - (-1)^{2025}$.

答案： 5.
(1) 原式$=-16+8×\frac {1}{2}+1=-16+4+1=-11$．
(2) 原式$=\sqrt {3}-5+3-\sqrt {3}+\frac {1}{8}=-1\frac {7}{8}$．

阅读与表达
Hello, everyone. My name is Bob. I am from the UK, but now I live with my family here in China because both my father and mother are now working here. I was born in 2012. I am good at Maths, and I want to learn Chinese. That's really not easy, but many Chinese friends are ready to help me. I like playing sports, and I like swimming best. I usually go swimming on Saturdays and Sundays. And I am in the school swimming team. Next month, I have an important match.
My father is Alfred. He is 40 years old. He is a doctor. He enjoys playing basketball in his free time. It can make him relaxed and happy.
My mother is called Sally. She is 39 years old. She is an English teacher in my school. Many students like her, saying she is nice to them.
My sister is Lucy. She is only 6 years old. Sometimes she is very cute, but sometimes she is difficult and hard to please. She likes dressing up(打扮) as different kinds of animals.
1. What subject is Bob good at?
2. How old is Lucy?
3. Do you want to make friends with Bob? Why or why not?

答案： 一、【文章大意】本文主要介绍了鲍勃及其家人的情况。
1. Maths. /He's good at Maths.
2. 6. /6 years old. /She is 6 years old.
3. Yes, because I like swimming too. We can go swimming together. (开放性试题,言之有理即可。)

短文填空
People call the Chinese diving(跳水) team a "dream team". Its future 1 (look) good with a sports star. She is one of the youngest 2 (play) in the diving team.
The girl 3 (come) from Zhanjiang, Guangdong. She enjoys swimming. She started to learn diving at the age of 7. "It was so much fun," she said. She gets up at 6 a. m. every day to practise 4 (jump) from the diving platform(跳台) and even 5 (thousand) of times a day.
She 6 (have) an eating habit. She needs 7 (eat) beef, fish, and vegetables every day, but she likes noodles 8 (well). She can't eat too much because she can't be fat. It is very important for her to keep 9 (health).
The girl is trying 10 (she) best to improve herself. We are waiting for her progress(进步)!
1.
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答案： 二、【文章大意】本文主要介绍了中国跳水队的一名优秀的运动员。
1. looks 2. players 3. comes 4. jumping
5. hundreds 6. has 7. to eat 8. best 9. healthy
10. her