心室律绝对不规则的心电图是A．室性逸搏心律 B．心房颤动 C．房性心动过速 D．左后

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Everyone should do something to protect the environment. How did we help to save our earth this week?
Mary: My family try to save electricity. We never left the lights on when leaving the rooms. We turn off the TV when nobody is watching it.
Tom: We start recycling this week. We divide our rubbish into different bags for bottles, cans, paper and food. Mom keeps the plastic shopping bags from the supermarket to use them again as rubbish bags. These are great ways to help our environment.
Jack: My family save water. We never take long baths and have short showers instead. We wash the toilet with used water. My sister and I don’t leave the tap running when we brushed our teeth.
Information Card

Ways to help protect the environment
Mary’s family	save electricity	Never left the lights on when leaving the rooms. 小题1:          when nobody is watching TV.
Tom’s family	小题2:	小题3:       into different bags for bottles, cans, paper and food.
Jack’s family	save water	Never take long baths. Wash the toilet小题4:         . 小题5:            when they brushed their teeth.