公司的创新意识有（） A.能动性创新意识 B.主动性创新意识 C.被动性创新意识 D

经济订货批量是最小化总存货成本的订货数量，它包括订货和持有成本。它能够通过以下公式计算得到。 其中Q是订货量，D是年需求量，p是采购成本，s是每单位存货每年的持有成本。如果年需求减少36%，那么最优订货量（）。

A．减少20% 

B．增加20% 

C．增加6% 

D．减少6%

城市生态系统的高层次性体现在( )。 A．城市生态系统是人类最完善的生态系统
B．城市生态系统是人们具有巨大的创造、安排城市生态系统的能力
C．城市生态系统的构成物质及其运作都体现着当代科学技术的最高水平
D．城市生态系统是人类社会选择的最优化的生存环境

A．生态系统的高层次性体现在( )。

B．城市生态系统是人们具有巨大的创造、安排城市生态系统的能力

C．城市生态系统的构成物质及其运作都体现着当代科学技术的最高水平

D．城市生态系统是人类社会选择的最优化的生存环境

我国霍奇金病发病年龄分布特点为（）

A.有两个高峰期

B.只有一个高峰期

C.无年龄高峰期

D.无规律可言

E.与性别有关

不属于晚期产后出血的原因是

A．胎盘胎膜残留
B．胎盘附着面血栓脱落
C．剖宫产后子宫切口感染或裂开
D．胎盘附着面复旧不全
E．继发性子宫收缩乏力

An eight-year-old child heard her parents talking about her little brother. All she knew was that he was very sick and they had no money left. When she heard her daddy say to her (1) mother," (2) a miracle can save him now", the little girl went to her bedroom and took out her piggy bank. She (3) all the change out on the floor and counted it carefully. Then she (4) her way six blocks to the drugstore.

"And what do you want" asked the shopkeeper. "It’s (5) my little brother," the girl answered back. "He’s really, really sick and I want to buy a (6) . His name is Andrew and he has something (7) growing inside his head and my daddy says only a miracle can save him. " "We don’t (8) miracles here, child. I’m sorry." the chemist said, smiling (9) at the little girl.

In the shop was a (10) customer. He stooped down and asked the little girl, "What kind of miracle does your brother (11) " "I don’t know," she replied. "He’s really sick and mommy says he needs (12) . But my daddy can’t pay for it, so I have brought my (13) .""How much do you have" asked the man. "One dollar and eleven cents, (14) I can try and get some more," she answered quietly. "Well, what a coincidence," smiled the man. "A dollar and eleven cents—the (15) price of a miracle for little brothers. (16) me to where you live. I want to see your brother and (17) your parents. "

That well-dressed man was Dr Carlton Armp, a doctor. The operation was completed without any (18) and it wasn’t long before Andrew was (19) again. The little girl was happy. She knew exactly how much the miracle cost—one dollar and eleven cents—also the (20) of a little child.

6（）

A．hope

B．doctor

C．favor

D．miracle