本题目来源于试卷: Human Population Dynamics，类别为 IB环境系统与社会
[单选题]
Figure: Number of child deaths in cd( qq+i udr04zl4ciapuyph4 51d -z;selected coun ;d0(xvwmqvd*x f; dw w2q sdvsn1*).dtries 1951 to 2021
Determine which of the following is least likely to explain why China experienced a sudden increase in deaths in 1960.
A. There was a war in China that year.
B. There was a famine in China between 1959 and 1961.
C. There was an outbreak in disease in China in 1960.
D. There was an increase in the amount of water pollution leading to more infant deaths.
参考答案: D
本题详细解析:
A general quick increase like the one for China in 1960 is usuallpnq,at( nft0 -;op5 jky caused by a large event that ta pfk j0n( ntqo,-ap5t;kes many lives. Options A, B, and C are all events that could take a large amount of lives in a short period. Option D would have a gradual effect and is thus least likely. The actual cause of this was Option B.
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