There is a certain degree of similarity in the U.S. elementary s

There is a certain degree of similarity in the U.S. elementary school curriculum, which mainly consists of mastery of the “basics”，such as ____________ .
A、reading, writing and arithmetic
B、science，visual arts and grammar
C、science，history and music
D、reading, writing and music
【正确答案】：A
【题目解析】：美国各小学的课程有某种程度的相似之处，主要是对“基础课”的掌握，比如：阅读、写作和算术。