Most Americans think of New Year as a single day on January lst. However, Chinese-Americans and people from other____(culture) that use different calendars each have another celebration as well. A good example of this is the Chinese New Year celebration in San Francisco, which is similar to____we do in Shanghai.

    The most famous part of Chinese New Year in San Francisco is the parade, which____(watch) by over three million people every year. Over a hundred entries take part in the parade____(march) through downtown and Chinatown. In the course of the parade, cheering from the crowd is mixed ____music as local community groups wave banners, flags, and carry lanterns. Chinese themed floats will “float” by, including ____long Golden Dragon float that ____(take) one hundred people to operate. Local kung fu schools will perform lion dances when firecrackers explode around their feet.

    For many Americans, celebrating____(they) ancestral culture is as ____ (importance) as American culture, and they celebrate both. If you have a chance ____ (visit) the United States, you may have the chance to see some of the celebrations yourself.

20世纪中期，我国由于“左”倾思想的错误指导，出现了哪两大重大失误和挫折？

在“用电流表、电压表测电阻”的实验中：

（1）实验原理：____ ．

（2）实验器材：待测电阻、2节干电池、电流表、电压表、滑动变阻器、____ 和导线若干．

（3）某同学设计记录表格如下，请在表格的空格处填上栏目____ 、____ 

（注意：用笔在答题纸上的表格空格处填上栏目）

长方形相邻的两条边互相垂直．