| The largest shark known to us,
Megalodon, is extinct. Or is it Carcharodon Megalodon, commonly known as
Megalodon, is believed to have lived between 1 million and 5 million years ago
and thought to have been 52 feet long. It is (or was) a shark that had a jaw 7
or more feet wide. Fairly recently, there has been some speculation about
whether it is extinct or just out of reach. But few people believe that
Megalodon has found a home deep in the ocean. There are many known "Living Fossils": Coelacanth, Sea Cucumbers, Sea Urchins, Lobsters, Sea Stars. The common ones like lobsters and sea urchins are not really looked on as anything amazing. They’ve been around for thousands of years or more, and are easily accessible to us. What if they weren’t accessible and yet still existed We would label them extinct. The discovery of A. Scientists’ discoveries always change people’s belief. B. There are too many secrets to be discovered. C. Megalodon may be still alive deep in the ocean. D. "Deep sound channel allows sound waves to travel undisturbed. [单项选择]我国居民消费品价格和服务价格指数（CPI）属于（）
A. 个体指数 B. 总指数 C. 物量指数 D. 价值指数 [判断题]在银行的表内外资产中，存贷款业务是典型的交易账户。（）
[单项选择]分泌性中耳炎治疗中，鼓膜置管术适应证不包括（）
A. 病情迁延，长期不愈 B. 反复发作 C. 胶耳 D. 头部放疗后，预计咽鼓管功能不能于短期内恢复 E. 小儿不合作 [单项选择]在纯净的半导体材料中掺入微量五价元素磷，可形成（）
A. N型半导体 B. P型半导体 C. PN结 D. 导体 [单选题]小李请辩护律师为自己辩护,关于辩护律师在刑事诉讼中享有的权利和承担的义务,下列哪一说法是正确的?(单选)
A.在侦查期间可以向犯罪嫌疑人核实证据 B.会见在押的犯罪嫌疑人、被告人,可以向其了解案件有关情况 C.收集到的有利于犯罪嫌疑人的证据,均应及时告知公安机关、人民检察院 D.在执业活动中知悉犯罪嫌疑人、被告人曾经实施犯罪的,应及时告知司法机关 [填空题]在数据库技术中，实体集之间的联系可以是一对一或一对多或多对多的，那么“学生”和“可选课程”的联系为______。
我来回答: 提交
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