下列句子中没有语病的一项是( )
A:通过开展经典诵读等活动,让我们从中深切领悟到了传统文化的魅力。
B:学生能够熟练而规范地书写正楷字,是衡量学生是否达到《语文课程标准》对汉字书写的要求。
C:我校积极推进课程改革,开展多项综合实践活动,学生非常受欢迎。
D:中华文明源远流长,我们要继承和发扬优良文化传统。
据市旅游局统计,今年“十•一”长假期间,我市旅游市场走势良好,假期旅游总收入达到1.5亿元,用科学记数法可以表示为( )
阅读短文,判断正误。
I'm Fangfang. I live in a village. It's small but beautiful. Look! That is my house. There are some trees near it. Behind the house there's a big river. You can see boats on the river. Many ducks are beside the boats. How lovely! Oh, many flowers are among (在……之中)the trees. Let's get some for our teachers.
每相邻的两个计数单位之间的进率都是10,这种计数方法叫做二进制