下列不属于气滞证的临床表现是 A．胸胁胀闷 B．脘腹胀闷 C．部位不固定，按之无形

设N_A表示阿伏加德罗常数的值。下列说法正确的是

A．1molCl₂参加的任何反应，反应过程中转移电子数都是2N_A

B．常温下，98g H₂SO₄和H₃PO₄的混酸中所含的分子数为N_A

C．标准状况下，11. 2 LCCl₄中含有的分子数目为0. 5N_A

D．常温常压下，2. 24 L NO₂和CO₂混合气体中含有的氧原子数目为0. 2N_A

一个整体市场之所以能够细分为若干个子市场，主要是由于企业定位上存在差异。 ( )

（）为水溶性环糊精衍生物。

A．乙基化β环糊精衍生物 

B．羟丙基β环糊精 

C．丁环糊精 

D．β环糊精 

E．α环糊精

( )阶段把逻辑解读的结果，通过输出部件输出给现场的受控元件。

A．输出采样

B．输入采样

C．程序执行

D．输出刷新

One day, a poor boy who was selling goods from door to door to pay his way through school found he had only one thin dime left, and he was hungry. He decided he would ask for a meal at the next house. However, he lost his nerve when a lovely young woman opened the door. Instead of a meal he asked for a drink of water. She thought he looked hungry so she brought him a large glass of milk. He drank it slowly, and then asked, "How much do I owe you" "You don’t owe me anything," she replied. He said, "Then I thank you from my heart. ’
Years later that young woman became critically iii. The local doctors sent her to the big city, where they called in specialists to study her rare disease. Dr. Howard Kelly was called in for the consultation. When he heard the name of the town she came from, he rose immediately and ’went to her room. Dressed in his doctor’s gown he went in to see her. He recognized her at once. He went back to the consultation room determined to do his best to save her life. From that day he gave special attention to the case. After a long struggle, the battle was won.
Dr. Kelly requested the business office to pass the final bill to him for approval. He looked at it and then wrote something on the edge. The bill was sent to her room. She feared to open it, for she was sure it would take the rest of her life to pay for it all. Finally she looked, and something caught her attention on the side of the bill. She read these words: "Paid in full with one glass of milk.\

Dr. Kelly gave special attention to the case mainly because ________.

A．he fell in love with the woman

B．it was a rare disease

C．he was eager to distinguish himself

D．he wanted to repay the woman for her great kindness