问题
问答题 简答题
什么是造岩矿物？
答案
参考答案：
造岩矿物是地壳中及地球内层的化学元素在各种地质作用下形成的具有一定形态、化学成分和物理性质的单质元素或化合物，它是构成地壳岩石的物质基础。
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什么是造岩矿物？
参考答案：
造岩矿物是地壳中及地球内层的化学元素在各种地质作用下形成的具有一定形态、化学成分和物理性质的单质元素或化合物，它是构成地壳岩石的物质基础。
| 根据句意，用方框中所给短语的适当形式填空。 | |
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| 1. A sign outside a building says " ". It is telling you not to enter the building. 2. , we only knew two people in London but we soon made some friends. 3. These advertisements are specifically __________ the young people. 4. We considered all the very carefully before deciding to buy a bigger house. 5. Several of his friends came : Ben, Carol and Mike, _____________ . |
