【单选题】【消耗次数：1】
下列哪一项不属于豆袋缓解分娩疼痛的原理（）
①
松弛肌肉肌腱韧带
②
扩张周围血管,增加局部血循环
③
增加内啡肽分泌
④
利于胎头下降
⑤
降低疼痛感受
参考答案：
复制
纠错
相关题目
随机题目
【判断题】
Chinese big cuisines are Sichuan cuisines Guangdong cuisine, Beijing cuisine and Huaiyang cuisine.
①
正确
②
错误
【单选题】
He also checks daily ( ) in the rooms and necessary supplies
①
articles
②
items
③
things
④
matters
【单选题】
They found that upon stimulating these points, cascade of ( )changes occur in the body.
①
active
②
passive
③
negative
④
positive
【单选题】
By using a system approach to health care, early ( )practitioners discovered acupuncture points.
①
Western
②
Southern
③
Northern
④
oriental
【单选题】
In china, people can pay their hotel bills in cash, by credit cards or with( )
①
check
②
money
③
travel checks
④
traveler’s checks
【单选题】
The bosses give them low wages, because it is expected that you will ( ). If you don’t, the service person can’t earn a living.
①
make up the different
②
make up the difference
③
make out the difference
④
make out the different