Tiêu đề First Semester Final Exam TEST 2 - GRADE 10 - FORM 2025.docx Giải Chi Tiết.docx ✅

structures, which are often damaged by time and environmental factors. Self-healing concrete contains bacteria (19)_________. When cracks form, these bacteria become activated by water and begin to produce limestone, which fills the cracks and restores the concrete. (20)_________ and infrastructure, as it could reduce the need for expensive and labor-intensive repairs. Roads, bridges, and buildings made from self-healing concrete would be more durable and resistant to wear and tear. In addition to having saved money on maintenance, this technology could also help reduce the environmental impact of construction, (21)_________ and having led to less waste. (22)_________ of how science and technology are working to solve real-world problems. As this technology continues to evolve, it may play a key role in creating sustainable, long-lasting infrastructure for the future. Question 18: A. was developed by scientists who looked for B. was developed by scientists whom were looking for C. having developed by scientists who were looking for D. was developed by scientists who were looking for Question 19: A. that are embedded within the material B. that were embedded within the material C. that will be embedded within the material D. that which are embedded within the material Question 20: A. This invention has the potential for to revolutionize construction B. This invention has the potential to revolutionize construction C. This invention revolutionizes the construction potential D. This invention has the potential revolutionized construction Question 21: A. having need less material for repairs B. needing less material for repairs C. having needed less material for repairs D. having needed less materials for repair Question 22: A. The development of self-healing concrete represents just one example B. The development of self-healing concrete represents one example just C. The self-healing concrete development represents just one example D. The development of self-healing concrete has represented just one example