标准图集中ST-28-24梯段板支座处为销键连接。上端支承处为固定铰支座，下端支承处为（ ）。
A. 固定铰支座
B. 滑动铰支座
[音频]Which of the following is not mentioned as an advantage of staying healthy?
A. Having a better looking body.
Being in a better mood.
C. Being free from sickness.
D. Getting strong in the body.
Which of the following foods may not be suggested by the expert?
A. Meat.
B. Milk.
C. Eggs.
D. Hamburgers.
Which of the following is not the result of walking or jogging regularly?
A. Keeping a balanced diet.
B. Keeping muscles active.
C. Keeping blood flowing smoothly.
D. Keeping in good shape.
微信支付 
支付宝支付