第10题: [单项选择]It can be inferred from the passage that children normally learn simple counting ______.
a. soon after they learn to talk
b. by looking at the clock
c. when they begin to be mathematically mature
d. after they reach second grade in school 参考答案:A 答案解析:[分析] 推理判断题。
文章在第一段第二句说明“The numerical skills of children develop so early”,即“儿童数字能力在早期便得以发展”,随后在