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问题 单项选择题

某分部工程有2个施工过程，各分为3个施工段组织流水施工，流水节拍分别为4天、4天、3天、3天和3天、5天、4天、3天，则流水步距和流水施工工期分别为( )天。

A．3和16
B．3和17
C．5和18
D．5和20

答案

参考答案：D

听力题

Directions：Complete the following passage by filling in each blank with one word that best fits the context.

Search engines are a type of computer program. The links that you get are not classified by subject. These engines search the Internet for you based 1_______ the key words you type in, 2______choose web pages for you 3_____contain the words you ask for. The contents they search have not been evaluated. This means that the information has never been checked—it could be reliable, true information 4_____ false information written by a person 5_____ qualifications or someone who does not have solid facts. 6_____links you obtain from the search engine go to full articles or pages. This requires 7_____ to be patient as you have to read the information to decide whether it is linked to 8____ you are searching. Examples of famous search engines are Google, Yahoo and Baidu. You can also go to the www.thesearchenginelist.com website and check their list of search engines.
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填空题

转按揭贷款指（）。
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