A-A+
The scientists developed their cloning techniq
问题详情
The scientists developed their cloning technique to make it easier for childless couples to have babies by in vivo fertilization.
A. Right
B. Wrong
C. Not mentioned请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：A
[答案] A [句意剖析] 见第四段第—句，“The scientists developed their cloning technique to make it easier…”科学家们发展克隆技术以使那些不能生育的夫妇通过体外受精的方式更容易地拥有小孩。
