What statistics can your smart bracelet or smart watch reveal?
A: Room temperature.
B: Deep sleep time.
C: Light sleep time.
D: Your heart rate.
A: Room temperature.
B: Deep sleep time.
C: Light sleep time.
D: Your heart rate.
举一反三
- There is still ______ time left. Take your time.
- Your mobile phone can tell you the time of other countries with its smart app of world clock.
- You should have your smart phone with you all the time. A: 正确 B: 错误
- You ___ spend too much time on your smart mobile phone.
- You__________ spend too much time on your smart mobile phone. A: can B: need C: mustn’t D: shall