单项选择题
Mary thinks that people don’t need to do much travel nowadays as a result of（）
A．less emphasis on personal contact. B．advances in modern telecommunications. C．recent changes in people’s concepts. D．more potential damage to the area.
单项选择题 What does the news item say about Richard Nafzger（）
单项选择题 Freddy has cited the following advantages for a new airport EXCEPT（）
单项选择题 According to Dr. Flores, hospitals and clinics（）
