Passage One
原文：

In the past, people used to rely on the sun and the moon to tell the time. However, with the invention of clocks, this has changed. Clocks have made it much easier for people to keep track of time and organize their daily activities.

What can be inferred from the passage about clocks?
A) They are difficult to use.
B) They have made life more complicated.
C) They have improved people's ability to manage time.
D) They are less reliable than the sun and the moon. 答案解析：选C。文章提到钟表的发明让人们更容易跟踪时间和安排日常活动，可以推断出钟表提高了人们管理时间的能力.
Passage Two
原文：

Many people believe that the more money they earn, the happier they will be. However, studies have shown that after a certain point, additional income does not lead to greater happiness. Once people's basic needs are met, the impact of money on their happiness decreases.

According to the passage, what happens when people's basic needs are met?
A) They become less happy.
B) Money has less effect on their happiness.
C) They need to earn more money.
D) Their happiness increases rapidly. 答案解析：选B。文章指出，一旦人们的基本需求得到满足，钱对他们的幸福感的影响就会减少，故选B.
Passage Three
原文：

The Internet has greatly changed the way people communicate. It allows people to connect with others instantly, no matter where they are in the world. However, some people argue that this constant connectivity can lead to a lack of face-to-face interaction.

What is the negative aspect of the Internet mentioned in the passage?
A) It makes communication more difficult.
B) It reduces the need for face-to-face interaction.
C) It prevents people from traveling.
D) It causes people to lose their jobs. 答案解析：选B。文章提到互联网的负面影响是可能导致面对面交流的减少，故选B.
Passage Four
原文：

Some people think that it is important to have a large family. They believe that having more children can bring more joy and happiness. However, others argue that a smaller family is easier to manage and provides more resources for each child.

What is the main point of the passage?
A) Large families are better.
B) Small families are better.
C) There are different opinions about the size of families.
D) The number of children should be limited. 答案解析：选C。文章主要介绍了人们对家庭规模的不同看法，有人认为大家庭更好，有人认为小家庭更好，故选C.
Passage Five
原文：

In recent years, there has been a growing interest in organic food. Many people believe that organic food is healthier and more environmentally friendly than non-organic food. As a result, the demand for organic food has increased significantly.

What can be inferred from the passage about the demand for organic food?
A) It has decreased recently.
B) It has remained the same.
C) It has increased significantly.
D) It is not affected by people's beliefs. 答案解析：选C。文章提到人们对有机食品的兴趣日益增长，导致对有机食品的需求显著增加，故选C.