非致热源性发热见于:①();②();③()。
参考答案:体温调节中枢直接受损;引起产热过多的疾病;引起散热减少的疾病
根据短文内容判断正(T)误(F)。
It's Sunday morning. My mother and I are going to Beihai Park. There are many people in the park.
Some women are sitting on the grass. They're talking. Two girls are playing games near them. Three
old men are standing under a big tree. They are watching the children. There's a river over there. Many
young people are singing and dancing near it.
( )1. There aren't many people in the park.
( )2. Some old people are running.
( )3. Some children are flying kites in the park.
( )4. Three old men are watching the children.
( )5. Many young people are having a good time.
单层厂房结构中柱间支撑的主要作用是()。
A.提高厂房的纵向刚度和稳定性
B.减小厂房的纵向温度变形
C.减小基础不均匀沉降的影响
D.承受横向水平荷载