问题详情

The passage is intended to ______.
A．make readers have a better understanding of gene testing
B．show that scientists are worrying about the negative side of gene testing
C．tell readers that as more gene tests appeared, more disease genes can be discovered
D．reveal the rapid development of new scientific knowledge此题为多项选择题。请帮忙给出正确答案和分析，谢谢！