Which of the following is correct statement about Chapter 22 of The Adventures of Tom Sawyer- "Huck Finn Quotes Scripture"?
A. During the summer vacation, the town undergoes a religious “revival”.
B. Tom Sawyer had a lot of fun during the vacation but the fun never lasts long.
C. During a stormy night, Tom Sawyer was very excited.
D. The boys suffered a “relapse" as later they returned to their bad habits again.
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At the heart of Mark Twain’s achievement is his creation of two characters: ____and ____.
具有NaCl型结构的矿物有()。
A. 闪锌矿
B. 萤石
C. 黄铜矿
D. 方铅矿
绝大多数的含氧盐、常见的硫化物、氧化物和卤化物均属于()类型。
A. 金属晶格
B. 离子晶格
C. 原子晶格
D. 分子晶格
下列矿物中,摩氏硬度大于指甲且小于小刀的是()。
A. 滑石
B. 萤石
C. 石英
D. 刚玉