石膏排出泵的急停条件是什么？

阅读理解。

     Joy always rides her bike to school. It’s four miles to school and it takes her about fifteen minutes. Joy likes riding to school. She says it's good for her health.

     Edward usually goes to school by bus. He likes talking with his friends on the bus. It's about ten minutes' journey (旅程) to school by bus.

     Mary's home is near the school. She usually walks to school. It's about five minutes' walk. Mary says she likes taking walks after meal.

根据短文内容，回答下列问题。

1. How does Joy go to school?

_________________________________________

2. Is riding good for Joy’s health?

_________________________________________

3. Why does Joy like riding to school?

_________________________________________

4. Does Edward like talking with friends on the train?

_________________________________________

5. How far is it from Mary’s home to her school?

_________________________________________

什么是金属材料的塑性变形？

以下提供若干个病例，每个病例下设若干个考题。请根据答案所提供的信息，在每题下面A、B、 C、D、E五个备选答案中选择一个最佳答案。

继续收集病史，最有意义的是

A．近期有无上呼吸道感染或皮肤感染史

B．体表温度

C．饮食情况

D．24小时出入量

E．有无夜尿增多

关于清末司法制度的改革，下列说法错误的是()

A.改刑部为大理院，实行审检合署

B.建立新式监狱，改良狱政管理

C.在诉讼程序上实行四级三审

D.在审判制度上允许辩论，实行回避，审判公开

当着陆飞机飞在航向面内时，则航向指示显示（）。

A.90Hz占优

B.150Hz占优

C.两者相等

D.不能确定