1、B

2、B

3. A.

4. A.

Expand and promote

5.( 1) The total amount is large, with many kinds and high support, but the per capita mineral resources are relatively poor.

(2) Rare earth, tungsten, tin, molybdenum, antimony, etc.

(3) Mineral resources are non-renewable. Use less if you use a little, and it is impossible to regenerate in a short time. So, for

We should cherish and save mineral resources, make rational use of them and put an end to waste and destruction.

6.( 1) Less arable land per capita, serious damage; Water resources are in short supply and the utilization rate of mineral resources is low.

(2) The family planning policy advocates late marriage and late childbearing, and fewer children are born, aiming at controlling the population and improving the quality of the population.

Quality. On the one hand, population control can prevent resources from being consumed by too many new population; On the other hand, improve people.

Oral quality can enhance people's awareness of protecting the environment and saving resources, thus effectively alleviating the resource crisis.

Bian Xiao suggested: