It is necessary to walk your dog twice a day in daily management. How long should you walk the dog
A: 30-60min
B: 90-120min
C: 120-150min
D: 180-240min
A: 30-60min
B: 90-120min
C: 120-150min
D: 180-240min
举一反三
- 一个正常的睡眠周期的时间平均为 A: 30 min B: 60 min C: 90 min D: 120 min
- 正常胎心音每分钟是多少次（） A: 120~180次/min B: 120~160次/min C: 120~150次/min D: 150~180次/min
- ---_______do you take your dog for a walk every day, Li Lei? ---Once a day. A: How often B: How long C: How many D: How much
- 正常新生儿心率为 A: 100～120/min B: 120～140/min C: 140～160/min D: 160～180/min E: 80～100/min
- 婴儿心肺复苏胸外按压频率为( ) A: 80/min B: 100～120/min C: 60/min D: 90/min E: 100/min