Pure feldspar is a colorless,transparent mineral,but impurities commonly make...

admin2020-12-24 27

问题 Pure feldspar is a colorless,transparent mineral,but impurities commonly make it opaque and colorful.

选项 A:truly
B:rapidly
C:periodically
D:frequently

答案D

解析本句意思：纯长石是一种无色、透明的矿物质，但杂质通常使它变得不透明还五颜六色的。commonly意思是“通常地”，与frequently（经常地，频繁地）意思相近。truly真实地，确实地；rapidly迅速地；periodically定期地。

转载请注明原文地址:https://ti.zuoweng.com/ti/7Z9QKKKQ

相关试题推荐

随机试题

Themeaningisstillobscure.(2008年真题)（）A.vagueB.transparentC.alienD.signific