(七)1996年5月1日，德宝公司与华光公司订立买卖合同。合同约定：德宝公司向华光公

Do you always agree with your teacher? Sometimes you might have a different a  小题1:   to a Maths problem. Or maybe they scold(责备) you when you don’t think you did anything w  小题2:  .What do you do then? A story on sina.com said that more and more students choose to s  小题3: out and sometimes even shout(喊叫) at their teachers. It’s i  小题4:  for students to say what they think. In the past, few Chinese students dared(敢于) to speak d  小题5:   to their teacher. It was an unwritten rule(不成文的规定) that what the teachers said is always right. But now students are b  小题6:   to think more of themselves and dare to say what they think right. But students should choose the right way to speak out. We should respect(尊重) teachers. They are older than you and know more things. So, never use i  小题7:   words when speaking to them. And don’t make them u  小题8:   when you don’t agree with them. Try to find the right time to talk to your teacher. For e  小题9:  , talk about the problem after class. R  小题10:  to talk about it in a friendly way.

课内知识：在十个容器中分别装有1到10千克的水，每次操作可由盛水多的甲容器向盛水少的乙容器注水，注水量恰好等于乙容器原有的水量，问能否在 若干次操作后，使得5个容器都装有3千克水，而其余容器分别装有6，7，8，9，10千克的水？如果能，请说明操作程序；如不能，请说明理由？

某女婴，7月龄，健康，可为其添加的辅食有（）

A.面条

B.水果泥

C.全蛋

D.面包

E.肉类

男性，7岁。自幼气促，剧烈活动后可出现晕厥。查体：于胸骨左缘第2肋间可闻及粗糙喷射样收缩期杂音。为明确诊断，最有价值的检查是（）

A.血气分析

B.X线检查

C.彩色多普勒超声心动图检查

D.ECG检查

E.血生化检查

限制光接收机灵敏度的主要因素是（）。