请教03-10-31 03-10-34 的两道语法题

tinawg

以下是03年10月的两道改错题，看了答案，可实在想不通是为什么？请教大家。

1.(Few substances) look less (alike than) coal and diamonds ,yet both (are fashioned)  (from same) elemental carbon.

答案：D

2．European settlers in North America moved from the Atlantic coast across 3,000 miles forests, grasslands, deserts, and mountains until they reached the Pacific Ocean.

答案：D

谢谢

snow_mountain

1. the same

2. C   miles of forests