1 . Questions are based on the following passage.1.
2.
3.
| A．They introduced courses on public health. |
| B．They increased their physical education. |
| C．They changed students' diet at school. |
| D．They employed specially trained teachers. |
| A．To improve efficiency. | B．To employ more teachers. |
| C．To teach more sports games. | D．To ensure safety. |
| A．The serious weight problem among children in USA. |
| B．The development in physical education in USA. |
| C．The increasing number of injuries in PE class in USA. |
| D．The measures taken to prevent injuries in PE class in USA. |
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