A-A+
The text intends to tell us that ______A．the c
问题详情
The text intends to tell us that ______
A．the change of human height follows a cyclic pattern.
B．human height is becoming even more predictable.
C．Americans have reached their genetic growth limit
D．the genetic pattern of Americans has altered.此题为多项选择题。请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：C
解析：全文由NBA球员张伯伦引出美国人身高的变化，但实际上“…apparently reached their limit inthe early 1960s．”(参看第二段)，后面又讲到了这种冲突的原因。主要内容还是在强调后者，即从基因上讲，美国人的身高已经达到了极限。
