赞题库-背景图
单项选择题

The passage creates an overall impression of

A.mystery.
B.horror.
C.liveliness.
D.contempt.
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单项选择题According to the passage, human competition to develop the best weapons

A.began in the 20th century.
B.escalated in the 20th century.
C.is a modern phenomenon.
D.is genetically predetermined.

单项选择题The result of the increasing costs in natural disasters is

A.great loss suffered by commercial companies.
B.government's increased attention on disasters.
C.individual awareness to natural disasters.
D.more funds to support the prediction research.