A-A+
Scientists hold that angiogenesis factor can n
问题详情
Scientists hold that angiogenesis factor can never be produced artificially in the laboratory.
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:B
[答案] B [句意剖析] 见第三段最后一句“Further research may permit scientists to create artificial angiogenesis factor in the laboratory”进一步的研究将可以使科学家们在实验室里合成人工血管生成因子。