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问题 判断题

做好情报工作永远是公安机关的一项重要任务，永远是做好公安工作的重要条件。 ( )

答案

参考答案：错

解析： 做好群众工作永远是公安机关的一项重要任务，永远是做好公安工作的重要条件。

阅读理解

San Francisco has many museums. You can visit one and learn something new. We have art, science, history and other special museums. Some museums are open every day. Some are only open on certain days. Many museums are expensive, and others are free. But some of the expensive ones have free days . Many museums have websites. The websites usually have information about the things you can see in the museums.

On a museum’s website you can get information about ticket prices and free days. You can also know where the museum is and when it is open. Sometimes the information is on the first page, and it’s very easy for you to find. But sometimes you have to click（点击） on the words like Visit Information, or About to find the information. That will be hard work for you.

小题1:San Francisco has many museums  for you visit and________.

A．learn something new

B．play computer games

C．watch the movies

D．click on Information小题2:Some museums in San Francisco are open every day, but some are only open ________.

A．on weekdays

B．on weekends

C．on certain days

D．on holidays小题3:Many museums have________ with information about the things you can see in them.

A．ticket prices

B．their websites

C．open hours

D．free days
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选择题

关于电流，下列说法正确的是   [ ]

A．只有正电荷的定向移动才能形成电流  

B．把正电荷定向移动的方向规定为电流的方向  

C．把负电荷定向移动的方向规定为电流的方向  

D．金属导体导电的时候，导体中电荷的移动方向和电流方向相同
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