As an group exercise instructor, you need to be able to find the _____ and stick <br/>with it. A: beat B: music C: motion

If you want to open a file, ________ twice on the icon(图标)for it.

It is worth ________ the details of the contract before you sign it.

The door is open. You must _____ it. A: open B: opens C: shut D: shuts

You will hear three dialogues or monologues. Before listening to each one, you will have time to read the questions related to it. While listening, answer each question by choosing A, B, C or D. After listening, you will have time to check your answer. You will hear each piece once only. When a bone bends but does not break, it is called ______. A: a hairline fracture B: a comminuted fracture C: a bowing fracture D: an open fracture