单项选择题
A. They decide to go out to eat. B. They eat at a friend’s house. C. They eat something different at home. D. They decide to eat nothing at all.
A. Philosophy is an independent discipline. B. Logic helps you to become a better thinker. C. The meaning of philosophy is too limited to define. D. The study of philosophy brings you immediate benefits.
A. They are probably untrue. B. They are often changeable. C. They have positive effects. D. They have different functions.