阅读短文，判断句子的正(√)误(×)。

    My name is Li Ping. I am sixty years old now. I have a very happy family. I have one son, one daughter

and two grandchildren. However, my life was very different many years ago. At that time, I lived in a very

small and dirty house. My mother cooked on a fire. We  didn't have enough food. Now I live in a big and

nice house. I have a television and a radio. I  even have a computer. I get to know lots of new friends by

the Internet.

(      ) 1. Liping has four grandchildren.

(      ) 2. Liping lived in big house when he was a boy.

(      ) 3. Liping has no TV now.

(      ) 4. Liping makes friends(交朋友) on the Internet.

(      ) 5. There is a radio in Liping's house.

糖皮质激素的药理作用有

A．抗免疫作用

B．中和毒素作用

C．抑制各种炎症反应

D．抗休克作用

E．提高中枢神经系统兴奋性