英検2級無料模試【第33セット】Reading31問＋Writing2題｜独自33題・全解答と根拠解説

A community garden began a seed exchange program. Families could bring seeds from plants they had grown and take home other varieties to try. In the first month, several packages had incomplete labels, and participants were unsure when to plant them. (18) ___, volunteers introduced labels showing the plant name and recommended season.

Organizers also prepared short instructions (19) ___ beginners could store seeds correctly and understand the basic conditions for planting them. The instructions were available in print as well as online.

The exchange became more popular during spring. (20) ___, the organizers did not claim that the program had increased the number of successful gardens. They had counted the seeds taken home, but they had not yet measured whether those seeds actually grew.

A science club prepared an exhibition where students would demonstrate simple robots. The students wanted to let visitors control the robots, (21) ___ their teacher was concerned about young children touching electrical parts. Before the event, the club created a separate demonstration area supervised by trained adults.

They added pictures to the safety instructions (22) ___ visitors could understand the rules without reading long technical explanations. The robots were switched off whenever a safety problem was found.

Organizers will consider expanding the activity next term (23) ___ there are enough trained supervisors and the existing equipment remains safe. They will also ask visitors for feedback, rather than assuming that a crowded exhibition necessarily improves scientific understanding.

Subject: Student Presentations at the Autumn Cultural Festival

Dear Students,

Thank you for registering for the Autumn Cultural Festival on Saturday at the City Arts Center. The festival opens to visitors at 10:00 a.m. Student presenters must arrive at the south entrance between 8:40 and 9:00 a.m. so that staff can confirm attendance and check presentation equipment.

Because the large auditorium will be used for a concert rehearsal in the morning, student displays have been moved to the second-floor activity room. The festival’s opening and closing times remain unchanged. The center will provide tables and display stands, but students should bring their printed posters and any laptops needed for digital materials.

Any presentation that uses photographs of people who can be identified must have permission for public display. Historical descriptions should clearly identify the source of their information. If a date cannot be verified, please label it as uncertain rather than guessing.

Groups needing electrical outlets should email our office by Thursday at noon. Requests made after that time may not be accepted. The public displays close at 3:00 p.m., and a short discussion with the presenters will begin at 3:15 p.m.

Best regards,
Festival Office

Many animals are more active at night than during the day. Researchers sometimes use sound recorders in parks to learn which animals may be nearby. These devices can collect information without requiring people to observe the animals directly. However, hearing a sound does not always prove that an animal is present in the exact location where a recorder stands.

A group of university students placed recorders in three local parks. During the first week, one park had more recordings of bird calls than the others. The students initially thought that more birds lived there. Their teacher pointed out that the recorders had been placed at different heights and had operated for different numbers of hours. Some calls might also have traveled from nearby areas.

The students adjusted the equipment so that the recorders were placed at similar heights and operated for similar periods. They also noted the weather and the time of each recording. This made the results easier to compare, although it did not solve every problem. The group still had to distinguish bird calls from other sounds and avoid counting repeated calls from the same animal as different animals.

After several months, the team planned to compare the recordings with observations made by trained volunteers. If the two kinds of evidence supported similar conclusions, the students would have greater confidence in their findings. They would not, however, claim that a single recording could show the total number of animals in a park. The project aimed to improve understanding of local wildlife while acknowledging the limits of each method.