单项选择题

下列句子标点使用正确的一项是（）

A.当生活不尽如人意，向往旅行是自然而然的事情，因为旅行半似现实，半似梦幻，当生活春风得意，旅行仍然让人期待，因为旅行像是微甜的痛感，最深切地确认着你的存在
B．这位老巴尔干同意本报记者的看法：即协议虽签，维和部队开始维和，但科索沃的危机并没有消除
C．生存，还是毁灭莎士比亚的这句名言揭示出一个最基本的哲学命题，那就是人的生存价值是什么
D．杭州之美就是由漂流书亭、暖心姜茶、上门摄影以及遍及大街小巷的各种志愿服务等细节之美构成的，从盆景变风景，又从风景孕育、绽放出最美的城市之花

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问答题

地面听音法进行供水管道漏水普查时，应沿供水管道走向，在管道上方逐点听测。金属管道的测点间距应不宜大于_（1）_。漏水异常部位应加密测点，加密间距不宜大于_（2）_

答案：（1）1米；（2）0.5米。在使用地面听音法进行供水管道漏水普查时，为了更准确地定位漏水点，通常会根据管道材质、管径大小...

单项选择题

Dolphins can understand complex gesture "sentences" from humans. And they can learn to poke an underwater keyboard to request toys to play with. "Much of their learning is similar to what we see with young children," says Reiss. So if dolphins are so similar to people, shouldn"t we be treating them more like people? For example, should we really being keeping them captive in zoos and aquariums? "The very traits that make dolphins interesting to study," says Marino, "make confining them in captivity unethical." She notes, for example, that in the wild, dolphins have a home range of about 100 square kilometers. In captivity, they roam one-ten-thousandth of 1% of this. Reiss is more concerned with the massive dolphin culling seen in some parts of the world. She showed graphic video of dolphins being drowned and stabbed as the waters turned red with blood in places such as the Japanese town of Taiji. Now that scientists know so much about how dolphins think and feel, she said, they should use that data to build a bridge to the public—a big theme of this year"s meeting. "Our scientific knowledge needs to be used to influence international policy and ethical considerations," she said. "Scientific facts should transcend geographic boundaries."

A."
B."