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Jiangsu education printing plate, fifth grade, second volume, scientific two-guide two exercises, efficient learning plan, unit 4, understanding the nature of minerals.
Answer: 1. 1 and (1) minerals.

(2) color transparency, luster, hardness and shape stripes

2、C

This is a forest with lush plants.

Second, ellipsis

Iii. 1, omitted

2, graphite lead core

Diamond glass cutting machine

Talc cosmetic raw material

Muscovite spectacle lens