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问题 选择题

I wanted to know            a party this evening. [ ]

A. if there was going to have

B. if there is going to be

C. if there was going to be

答案

答案：C

单项选择题

WebSQL is a SQL-like （） language for extracting information from the web. Its capabilities for performing navigation of web （） make it a useful tool for automating several web-related tasks that require the systematic processing of either all the links in a（） , all the pages that can be reached from a given URL through （） that match a pattern, or a combination of both. WebSQL also provides transparent access to index servers that can be queried via the Common （） Interface.

all the pages that can be reached from a given URL through （） that match a pattern.

A．paths

B．chips

C．tools

D．directories
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单项选择题

出票人向受票人开出的，要求受票人于见票时或于指定的时间或将来可以确定的时间对某人或其指定的人或持票人无条件支付一定金额的票据是什么( )。

A．支票

B．本票

C．汇票

D．信用证

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