试题详情

The weather was crisp and clear and you could see the mountains fifty miles away.

The weather was crisp and clear and you could see the mountains fifty milesaway.

ife away from the other,using only his bare hands;and then he took a rifle away from him in the sam

ife away from the other,using only his bare hands;and then he took a rifle away from him in the sam

Sun is called the solar wind. The more active the Sun,the stronger the solar wind.The solar wind co