... subjects. 18. Talc, a soft mineral with a variety of uses, sold is in slabs or in powdered from. 144 19. During the 1870‘s iron workers in Alabama proved they could produce iron by burning iron ... an illness similar to malaria. 40 . Some insects bear a remarkable resemblance to dead twigs, being long, slenderness, wingless, and brownish in color. 146 1997 年 08 月语法题 1. Associated ... was probably (C) early drawing probably (D) the earliest draw. 4. Halley‘s Comet had its first documented sighting in 240 B.C. in China and _____ it has been seen from the Earth 29 times....