The book also has a full answer key to all exercises.
这本书也有一个完整的答案主要向所有演习。
When you visit the gym, make sure there are staff members available to answer your questions, demonstrate exercises, or show you how to use the equipment.
当你到了一个健身房，要确保那里可以找到职员以便回答你的问题、做示范练习或者向你展示如何使用那些设备。
You can repeat exercises, answer the same questions, listen to the same sound files until you feel comfortable with them.
你可以重复练习，回答同样的问题，听同样的音频文件到觉得很顺耳为止。
When you visit the gym, make sure there are staff members available to answer your questions, demonstrate exercises or show you how to use the equipment.
当你参观这个健身房时，确保它的员工可以回答你的问题，做出示范动作，并向你展示如何使用这些设备。
Here are 3 good exercises that can help you create a strong, clear focus and of course these are answer to your question how to improve concentration.
下面的3个训练可以帮你拥有一个强有力的，清晰的注意力。当然，这也是如何改善注意力的方法。
The answer depends on the exercise and if your going to shape the exercises, split the exercise or help the dog by luring it through the learning phase.
答案由训练而定。看你在学习阶段是想要进行塑形训练，拆分训练或使用诱导的方法。
You can now listen to audio recordings, complete online exercises and answer questions about the texts.
你可以在线收听或者下载(客)章录音、线参与“词汇填空”和“问与答”练习。
You can now listen to audio recordings, complete online exercises and answer questions about the texts.
你可以在线收听或者下载(客)章录音、线参与“词汇填空”和“问与答”练习。
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