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Questions 1 to 4 are based on the lecture youve just heard. 1. A) The increase in beachfront property value. B) An experimental engineering project. C) The erosion of coastal areas. D) How to build seawalls. 2. A) To protect beachfront property. B) To reduce the traffic on beach roads. C) To provide privacy for homeowners. D) To define property limits. 3. A) By sending water directly back to sea with great force. B) By reducing wave energy. C) By reducing beach width. D) By stabilizing beachfront construction. 4. A) Protect roads along the shore. B) Build on beaches with seawalls. C) Add sand to beaches with seawalls. D) Stop building seawalls. Questions 5 to 7 are based on the lecture youve just heard. 5. A) A kind of exchange. B) A kind of business. C) A commercialized exchange. D) An international friendship association. 6. A) Free food and lodging. B) Learning English. | 
