基础生命急救技术包括以下哪些内容？（）A、开放气道 B、人工呼吸 C、胸外按压 D、

胁是指以下什么部位（）

A．胸部

B．上腹部

C．右上腹部

D．侧胸部

完整的锅炉化学清洗包括步骤有（）。

A、水冲洗；

B、碱洗；

C、酸洗；

D、漂洗和钝化。

在采用点一点通信线路的网络中，由于连接多台计算机之间的线路结构复杂，因此确定分组从源结点通过通信子网到达目的结点的适当传输路径需要使用( )。

A．差错控制算法

B．路由选择算法

C．拥塞控制算法

D．协议变换算法

When I was growing up, I was embarrassed to be seen with my father. He (1) severely crippled and very short, and when we would walk together, his hand on my arm (2) balance, people would stare. I would inwardly be afraid (3) squirm at the unwanted attention. If he ever noticed or was bothered, he never let (4) .
It was difficult to coordinate (5) steps - his halting, mine impatient - and because of that, we didn’t say much as we went along. But as we started out, he always said, "You (6) the pace. I will try to adjust to you. "
Our usual walk was to or (7) the subway, which was how he got to (8) . He went to work sick, and (9) nasty weather. He almost never missed a day, and would (10) it to the office even if (11) could not: a matter of pride!
He never talked about himself as an object of pity, (12) did he show any envy of the more fortunate or able. What he looked for in others was a "good heart", and if he found one, the owner was good enough for him.
Now that I am older, I believe that is a proper standard (13) which to judge people, even though I still don’t know precisely (14) a "good heart" is. But I know the times I don’t have one myself.
He has (15) gone many years now, but I think (16) him often. I wonder if he sensed my reluctance to be seen with him during our (17) . If he did, I am (18) I never told him how sorry I was, how unworthy I was, how I regretted it. I think of him when I complain about trifles, when I am (19) of another’s good fortune, when I don’t have a "good heart".
At such times I put my hand on his arm to regain my (20) , and say, "You set the pace, I will try to adjust to you.\

对于个体和一个国家来说，人的生存是首先要解决的头等大事，虽然环境保护已越来越多地被提及和关注，但比起解决“吃饭”问题，始终要屈居第二的。这也是发展中国家为什么多重复走发达国家先污染后治理的老路的原因，并非看不到教训，而是谋求发展的艰巨任务使得各国不得不走捷径，优先选择煤炭这种低廉可靠、提高贫困人口生活水平还能促进就业的发展型能源。这段文字的主要意思是：

A．环境保护和经济发展同样重要

B．发展中国家为了生存和发展不得不先污染后治理

C．解决温饱问题比保护环境更重要

D．发展中国家谋求发展忽略了环境保护