How can cold showers provide a helpful assist in your weight loss plan?
A. Brown fat is to produce heat to keep your body warm.
B. White fat tends to accumulate at your waist, lower back, neck and legs.
Cold temperatures increased the metabolic rate of brown fat, which helps a person reduce weight.
D. White fat is the body fat we all know and struggle to get rid of.
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According to the passage, which statement is NOT true?
A. If someone turns your shower from hot to cold, you should thank him or her.
B. You can get benefits with a cold shower after doing exercise.
Cold water dries out your skin, while hot water tightens your cuticles and pores.
D. If you feel terrible, you can switch water temperature from hot to cold in a short period.
What is the writer’s attitude about cold showers?
A. Positive.
B. Doubtful.
C. Negative.
D. Indifferent.
（ ）是将计算机技术、现代通信技术尤其是网络技术与控制技术融为一体，形成一个行车调度指挥的闭环系统，也是一个实时过程控制系统和实时信息处理系统
A. 行车指挥自动化
B. 调度集中
C. 调度监督
D. 以上都不是
在调度监督情况下，行车指挥中心应下放调控权，由各车站行车值班员办理接发列车作业。
A. 对
B. 错
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