2021上海中考英语 (2021上海中考数学试卷)

一、听力理解（共30分）

1. 请听第1段材料，回答下列问题。

   
   1. What is the boy's name?
   2. What is the girl's name?
   3. What are they going to do together?

二、阅读理解（共50分）

请阅读下面文章，回答下列问题。

The Great Wall of China

The Great Wall of China is one of the world's most famous landmarks. It is the longest man-made structure in the world, stretching for over 21,000 kilometers (13,000 miles). The wall was built over many centuries, beginning in the 7th century BC. It was built to protect China from invaders from the north.

The Great Wall is not a single wall, but a series of walls and fortifications. The walls were built using different materials, including stone, brick, and rammed earth. The walls were also built in different styles, depending on the terrain and the time period in which they were built.

The Great Wall is a UNESCO World Heritage Site. It is a popular tourist destination, with millions of visitors each year. The wall is also a symbol of China's rich history and culture.

1. How long is the Great Wall of China?
2. When did the construction of the Great Wall begin?
3. What was the purpose of building the Great Wall?

三、语法填空（共20分）

请完成下列句子中的空白。

1. I (write) a letter to my friend yesterday.
2. The boy (play) in the park at the moment.
3. I (not go) to school tomorrow.

四、短文改错（共10分）

请找出下列短文中的错误并改正。

I went to the store yesterday and buy some bread.

错误：

改正：

一、选择题（共30分）

1. 下列哪个数是无理数？
2. 下列哪个图形是轴对称图形？
3. 下列哪个方程组有无穷多组解？

二、填空题（共20分）

请完成下列填空题。

1. 已知 a = 2，b = 3，则 a + b = ?
2. 已知 x + y = 5，x - y = 1，则 x = ?
3. 已知三角形 ABC 的三边长为 a、b、c，则三角形 ABC 的周长为 ?

三、解答题（共50分）

请解答下列解答题。

1. 已知函数 f(x) = 2x + 1，求 f(2) 的值。
2. 已知两数的和为 10，积为 24，求这两数的差。
3. 已知圆的半径为 5，求圆的面积。