单项选择题
A. share the same view with the scientist. B. is uncertain of its occurrence C. rejects it as being ungrounded D. thinks that it will destroy the world soon
A. die from the cold water in Iceland B. be happy to return home C. want to be free D. be less active
A. conditions in the work place B. the freedom of industries in the past C. changes in industrial production D. the safety and health of workers and customers