下列桥梁技术术语中,______的数值最大。 A.计算跨径 B.标准跨径 C.净

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问题:

下列桥梁技术术语中,______的数值最大。

A.计算跨径
B.标准跨径
C.净跨径
D.桥梁全长

考点:公路工程试验检测员考试桥梁桥梁
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19世纪末,在资本主义相对稳定的环境中,国际工人运动和社会主义呈现哪些新特点?

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相关关系和函数关系都是指变量之间存在着确定性的数量关系。()

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3岁男孩,蛋、鱼、肉、青菜、水果等均喜欢吃;每天喜欢饮冷鲜牛奶,常于食牛奶后诉脐周痛。近3个月面色差,易发热、咳嗽,大便1~2次/日,稍稀。体检:面色苍白,心尖部Ⅰ级收缩期杂音,双肺未见异常,腹平软,肝、脾未触及。Hb80g/L,RBC3.5×1012/L,MCV67fl,网织红细胞0.015。大便潜血试验(+)。

最可能诊断是()

A.地中海贫血

B.缺铁性贫血

C.营养性巨幼细胞贫血

D.肺含铁血黄素沉着症

E.再生障碍性贫血

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我国开辟了哪些主要航线

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To get help, Internet addicts tired of their square-eyed, keyboard tapping ways need look no further than the Web for counseling. There is now an online counseling service at www. relate, org. nz for Internet obsessives. Just e-mail the details of your Internet-induced crisis and help comes direct to your inbox. (46)The new breed of cybertherapists see nothing strange about offering help through the very medium that is swallowing their clients’ free time and splitting their marriages.

Getting hooked on the Internet isn’t confined to a few computer nerds. It’s on the rise everywhere—and women are the most likely addicts. The old stereotypical addict was a young man who spent hours playing games, downloading software or reading messages on newsgroups. (47)Yet, the new image is of a young woman who fritters away hours e-mailing friends, buying books and CDs online, talking in chatrooms and looking for information for next year’s holiday.

Ingrid Parker, once a slave to Internet chatrooms, found her experiences so devastating that she wrote a book to help other addicts break the habit. (48) Her computer dream turned to nightmare when she sold up and moved to be with her cyberpal (who had just left his wife), only to be told a week later that the couple were getting back together. The heart-breaking turn of events gave her the motivation to control her addiction—and write the book Caught in the Web.

For Ingrid Parker, anyone who is married or in a sound relationship should not really be spending hours talking to someone else and ignoring their nearest and dearest. (49)While Parker provided her own therapy by putting her experiences down on paper, she recommends others take up the online counseling offer, or log off from the Worldwide Web gradually.

She said, "It’s like smoking. It’s not a good idea to suddenly go cold turkey. People often e mail me about the problem and I tell them to gradually wean themselves off and not to switch to a scheme where you pay per hour for online time. (50)If they break their resolution, all they end up with then is the same old problem plus money difficulties for the long hours they have spent logged in to the Internet. "

Of course, the Internet is definitely addictive but if you can keep it in control it has advantages, too. Using it can be a steep learning curve so it helps you become very quick at learning. Also there is a huge demand for people in the field of Information Technology (IT) and hours on the Internet are great training.

(50)If they break their resolution, all they end up with then is the same old problem plus money difficulties for the long hours they have spent logged in to the Internet. "

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