在布鲁纳的发现学习理论和奥苏伯尔的接受学习理论中的发现学习都是最重要的学习方法。

胸痹心痛辨证属寒凝心脉者，其治法为

A．宣痹

B．活血

C．通阳

D．祛寒

E．通络

写出一个在实数范围内能用平方差公式分解因式的多项式：______．

Long, long ago, there was an island where all the feelings lived: Happiness, Sadness, Knowledge and all of the others, including Love.

One day it was announced to the feelings that the island would sink, so all built boats and left, e  小题1:    Love.

Love was the only one who stayed. Love wanted to hold out until the last possible moment.

When the i  小题2:   had almost sunk, Love decided to ask for help.

Richness was passing by in a large boat. Love said, “Richness, can you take me with you?”

Richness a__小题3:____, “No, I can’t. There is a lot of gold and silver in my boat. There is no r  小题4:  for you.”

Love decided to ask Vanity who was also p 小题5:   by in a beautiful boat. “Vanity, please help me!”

“I can’t help you, Love. You are all wet and might break my boat,” Vanity replied.

Sadness was close by, so Love asked, “Sadness, let me go with you.”

“Oh…Love, I am so sad that I need to be by m  小题6:  !”

Happiness passed by. But she was so happy t  小题7:   she did not even hear when Love called her.

Suddenly, there was a voice, “Come, Love, I will take you.”

It was an elder. Because of being too excited, Love even forgot to ask the elder where they were going. When they a  小题8:   at dry land, the elder went her own way. Realizing how much was owed the elder, Love asked Knowledge, another elder, “Who helped me?”

“It was T  小题9:  ,” Knowledge answered.

“Time?” asked Love, “But why did Time help me?”

Knowledge smiled with deep wisdom and answered, “Because only Time is able to understand how v  小题10:   Love is.”

测试工作的任务主要是要从复杂的信号中提取（）

A、干扰噪声信号

B、正弦信号

C、有用信号

D、频域信号

糖尿病酮症酸中毒时，有诊断意义的是（）

A．呼吸抑制

B．呼出气有蒜味

C．呼出气有烂苹果味

D．呼出气有苦杏仁味

E．呼出气有氨味