问答题

The author s attitude toward reversing the high-speed trend is

A.tolerant.
B．uncertain.
C．optimistic.
D．doubtful.

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Which of the following would be the best title of the text?
A．Novelty as an Engine of Scientific Development
B．Collective Scrutiny in Scientific Discovery
C．Evolution of Credibility in Doing Science
D．Challenge to Credibility at the Gate to Science

A.Novelty
B.Collective
C.Evolution
D.Challenge

单项选择题

中国保险条款规定，被保险人提出保险索赔的时效为()年。

A.1
B.2
C.3
D.4