单项选择题

According to the passage, what does the author think of Frisen's findings

A．They enable cells to make repairs.
B．They are elementary achievements.
C．They have a limited application prospect.
D．They imply and show great potential.

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热门试题

单项选择题

Which of the following statements is TRUE of Frisen

A．He was encouraged by his parents to do research on stem cells.
B．He founded a company on drug research in Karolinska.
C．He was considered the best person on stem-cells research.
D．After graduation, he did what he had intended to do.

单项选择题

As to the stem-cell research, the Bush Administration's attitude is one of ______.

A．skepticism.
B．disapproval.
C．ambivalence.
D．prudence.