填空题

Animals can not survive some catastrophic events such as starvation, disease, or competition from other species.

【参考答案】

NG

<上一题目录下一题>

热门试题

问答题

科学态度的实质 2.科学态度的方面方面 3.结论 Scientific Attitude

填空题

Populations have 3 agents, namely, a birth rate, a death rate, and a growth rate.