下列各项中，不属于利得或损失的是（）。 A.营业外收入 B.营业外支出 C.固定资产

小明由于期中考试成绩不理想，情绪一直低落，导致近期连续几次做错事，而且成绩一路下跌。可见不良情绪[ ]

A．使人精神焕发，干劲倍增

B．抑制人的活动能力

C．降低人的自控能力和活动效率

D．是无法调适的

患者女，56岁，右髋疼痛并出现跛行2周入院，休息后好转。实验室检查血、尿常规正常，右髋正侧位X线片示右股骨颈中央1.0cm×1.5cm溶骨性改变，周围无骨硬化。

胸部X线片发现右支气管旁高密度影，边界不清，约3cm×6cm，髋关节MRIT像示股骨颈中央、髋臼前方、左侧骶骨翼均见斑片状低信号影，腹股沟淋巴结增大，首先应该选择的活检部位是（）

A.支气管镜下右支气管旁肿物活检

B.CT引导下股骨颈穿刺活检

C.髋臼切开活检

D.骶骨穿刺活检

E.腹股沟淋巴结切开活检

C

A young woman carrying a three-year-old child got on a bus. The conductor(售票员) hurried to give her a warm welcome and then kindly asked the other passengers to make more room for the woman and her child. On seeing this, people began to talk. "You know this conductor used to be very rude. Now suddenly he has changed his bad behavior , "said a middle-aged man.

"Yes, he should be praised and we must write a letter to the company," said a second passenger. "That's right," another lady said, "I wish a newspaper reporter were here so that more people could learn from this conductor. "

Just then a gentleman who looked like a teacher turned to the conductor and said , "Excuse me, but can I know your name, please? Your excellent service must be praised..."

Before he could open his mouth, the three-year-old child sitting on the young woman's lap interrupted, "I know his name. I call him Dad."

46. The passengers were ________ to see the conductor's kindness to the woman and the child.

A. excited       B. unpleased      C. interested     D. surprised

47. One passenger suggested writing a letter to the company to ______.

A. make a demand for more buses

B. thank the conductor for his good service

C. criticize the conductor for his rude behavior

D. invite a newspaper reporter to write about the conductor

48. What was the gentleman?

A. A teacher.                      B. A newspaper reporter.

C. Not known from the story.         D. The conductor's friend from his company.

49. The word "he" in the last paragraph refers to _______.

A. the gentleman                 B. the conductor

C. the middle-aged man           D. the three-year-old child

50. It is clear from the story that the conductor _______.

A. has changed his attitude towards his work

B. has now been kind and polite to all passengers

C. has not changed his rude behavior to passengers probably

D. has now been kind and polite to women with children

男性，18岁，发热鼻出血2周入院。浅表淋巴结不肿大，皮下瘀点、瘀斑，肝脾未触及，HGB56g／L，WBC2．2×10⁹／L，PLT22×10⁹／L，网织红细胞0．0013，胸片提示右下肺炎

积极治疗应考虑使用（）

A.糖皮质激素

B.补充叶酸和维生素B12

C.同种异基因造血干细胞移植

D.EPO

E.输注丙种球蛋白

使用内插法时，如果用10%测试所得的终值大于目标终值，则所求折现率必然小于 10%，使用内插法时；如果用10%测试所得的现值大于目标现值，则所求折现率必然大于10%。( )