听力选择-听短对话选答案 适中0.65 引用3 组卷64
How long has Mary had this bag?
| A．She has had it for a month. |
| B．She has had it for half a year. |
| C．She has had it for a year. |
21-22九年级上·内蒙古通辽·期末
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听下面一段对话，回答四个小题。
【小题1】Why does David study sleep?
【小题2】How does David study sleep?
【小题3】How long does a police officer often work?
【小题4】What can we know from the conversation?
【小题1】Why does David study sleep?
| A．Because sleep is important. |
| B．Because sleep is a hot topic. |
| C．Because people can’t sleep well. |
| A．By asking questions. | B．By reading articles. | C．By doing the experiments (实验). |
| A．For ten hours. | B．For eleven hours. | C．For twelve hours. |
| A．People can always sleep well after tiring work. |
| B．Blue light may be good for tired people at work. |
| C．Scientists study sleep by using different music. |
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