阅读理解

阅读下列短文，从每题所给的四个选项(A、B、C和D)中，选出最佳选项。

　　Body Power: This class uses weights and aerobic movements (a form of very active physical exercise) to increase strength while burning fat. It is suitable for all levels for fitness.

　　Aerobics: This is a low middle level of difficulty in aerobic class. It is good for beginner to average level of fitness.

　　Beginner Aerobics: This class has a low level of difficulty and simple aerobic movement. It is mainly for people who have not exercised before or who are just returning after a long break of injury.

　　Body Stretch (hold your arms or legs out straight and tighten your muscles): This is a relaxation class which stretches all the muscle groups. It is suitable for all levels of fitness. People who exercise regularly or have a stressful lifestyle would also greatly improve their health in this class. Body Burn: This is a high level of difficulty in aerobic class that mainly aims at fat burning. It is only for those people with a very high level of fitness.

1．On Wednesday the fitness class at 6:30 pm is ________.

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2．The two classes that are suitable for all levels of fitness are ________.

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A．Aerobics and Body Power

B．Body Power and Body Strech

C．Body Bum and Aerobics

D．Body Stretch and Beginner Aerobics

3．The main goal of Body Burn is to ________.

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