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1. 下列答數書寫何者有效(A)7,777.77(B)7777.77(C)7.777.77(D)7,777.0。
問題詳情
1. 下列答數書寫何者有效
(A)7,777.77
(B)7777.77
(C)7.777.77
(D)7,777.0。
參考答案
答案:A
難度:
計算中
-1
書單:
沒有書單,新增
上一篇 :
80. 關於分支度(Order)為 m 的 B-tree,下列那些正確?(A)所有的葉節點都是同一階層(B)樹根以外的樹節點儲存之資料數量為(m-1)/2 至 m-1(C)新增一筆新資料時,目前的樹根
下一篇 :
2. Approximately how old is the Earth?(A) 4.5 Ga (B) 10 Ga (C) 13.7 Ga(D) 45 Ga (E) 100 Ga
資訊推薦
3. Which element was produced already in the Big Bang?(A) H (B) Co (C) Pb (D) Au (E)U
4. Which is the most common element in the universe?(A) H (B) Co (C) Pb (D) Au(E) U
5. Where do elements heavier than Fe form?(C) Black holes (A) Volcanoes (B) Subductionzones(D) Super
6. Approximately how old is the oldest know crustal rock on Earth?(A) 200 Ma (B) 400 Ma (C)1 Ga (D)
7. Which planet is the largest in the solar system?(C) Jupiter (A) Mercury (B) Mars (D) Uranus(E) Ne
8. Which ocean basin represents a very early stage in the formation of an ocean?(A) Red Sea (B)Medit
9. What do we call the super-continent that assembled in the end of the Paleozoic?(A) Panthalassa (B
10 . Which continent was NOT part of Gondwana?(B) Africa (A) India (C) South(D) Australia (E) North
11. When did the Archean eon end?(A) 4.5 Ga (B) 4 Ga (C) 2.5 Ga(D)0.5Ga
12. Which plant group do the palm trees belong to?(A) Green algae (B) Mosses(C)Ferns(D)Gymnosperms(E
13. During which period did basically all modern animal body-plans suddenly appear?(A) Cambrian (B)
14. During which time did animal start to burrow into the sediment on the sea floor?(A) Archean (B)P
16. During which era did the Ediacaran fauna dominate life on earth?(A)Neoproterozoic(B) Cenozoic (C
17. Approximately how old are the oldest known stromatolites?(A) 100 Ma (B) 200 Ma (C) 500 Ma T(D) 1
18. When did the first angiosperms (flowering plants) evolve?(A) Proterozoic (B) Early (C) Late (D)
19. What did the Miller-Urey experiment produce?(A) Artificial (B) Virus (C) Amino acids (D) Ammonia
20. Which two gases are believed to have dominated Farth's first (primary) atmosphere?(A) H &am
21. How was the carly Sun compared to the modern Sun?(D) Dark green (A) Weaker (B) Stronger (C) Same
22. What are fossilized traces of the activities of living organisms called?(A) Trace metals (B) Tra
23. When did the trilobites die out?(A)Cambrian(B) Devonian(C) Permian (D)Cretaceous (E)Neogene
24. Which period is often referred to as the "Age of Fish"?(A) Cambrian (B) Devonian (C) P
25. When did vertebrate animals first invade the terrestrial environment?(A) Cambrian (B) Devonian (
26. Which group of mollusks died out at the end of the Mesozoic?(A) Bivalves (B) Gastropods(C)Polypl
27. Which period ended with the biggest mass-extinction in Earth's history?(C) Permian (A) Camb
28. When are the first birds believed to have evolved?(A)Neoproterozoic(B)Cenozoic(C)Mesozoic(D)Pale