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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Passage Two:Questions 26 to 30 are based on the following passage.If you want to stay young, sit down and have a good think. This is the research finding of a team of Japanese doctors, who say that mo...
A.
why certain people age sooner than others
B.
how to make people live longer
C.
the size of certain people’s brains
D.
which people are most intelligent
【单选题】血管生成
A.
是体内形成血管的唯一方式
B.
不需要生物活性因子的刺激
C.
由已经存在的血管发芽长出新血管
D.
由成血管细胞直接形成血管
E.
整个过程中内皮的基膜保持完整