45. (A) changed (B) seen (C) improved (D) included 四、閱讀測驗【請依照段落上下文意，選出最適當的答案】 In many cities, delivery workers have become an important part of daily life. People order meals, groceries, documents, and even medicine through apps, and they expect everything to arrive quickly. For customers, delivery services are convenient because they save time and reduce the need to travel. For restaurants and small shops, delivery platforms can also bring in more orders and help them reach more customers. However, delivery work is not always easy. Workers often have to deal with bad weather, heavy traffic, and strict delivery times. During lunch and dinner hours, many riders receive several orders at once. They need to check addresses carefully, choose the best route, and make sure the food or package arrives in good condition. A small mistake, such as going to the wrong building, can cause a delay and lead to customer complaints. Another challenge is safety. Some delivery workers ride scooters or bicycles for long hours every day. When they are in a hurry, they may take risks on the road. For this reason, some companies have started providing safety training and reminding workers not to speed. Customers can also help by giving clear addresses, answering phone calls quickly, and understanding that traffic or rain may slow down delivery, even when workers try their best. Although delivery services are very helpful and convenient, they depend on the hard work and cooperation of many people. A smooth delivery is not just about technology. It also requires careful planning, safe driving, and good communication among workers, businesses, and customers.