计算机的应用领域可大致分为6个方面，下列选项中属于这几项的是(A．计算机辅助教学、专

A: Hi,Ann,You were not at school this morning.

小题1:______________________

B: Oh,I had a headache and had to ask for sick leave.

A小题2:___________________.Did you see the doctor?

B: My mother took me to the hospital. The doctor said I had a cold.

A: 小题3:____________________?

B:Yes, a little ,The doctor told me to take the medicine three times a day and drink more water.

A小题4:_____________________?

B: Yes,much better.

A:I hope you take more exercise and keep healthy.

B:I will. 小题5:___________________.

较易发生水解反应而降解的药物是（）

A.肾上腺素

B.盐酸普鲁卡因

C.维生素C

D.对氨基水杨酸钠

E.维生素A

按经济电流密度选择的导线截面称为经济截面。

存在30℃的水蒸气，只存在30℃的水，此说法（）。

A.正确

B.错误

C.有一定道理

D.无法确定

农村土地承包经营权