Bebras-初認識

Quiz
•
Instructional Technology
•
10th Grade
•
Hard
張瓊云 張瓊云
Used 25+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(A) 2→3→1→2→1→2
(B) 2→1→2→2→1
(C) 1→2→2→1→2
(D) 2→3→2→2→1→2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(A) 警方一定可以在詢問20人之內揪出小偷
(B) 詢問20人以內不保證能揪出小偷,但是詢問200人以內一定能揪出小偷
(C) 警方至少要詢問200人,至多可能要詢問1999人
(D) 詢問的人數與運氣有關。如果運氣很差的話,需要詢問全部的人
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
根據第二題情境,若將2000人改為1500人,請問警察"至少"問幾次一定可以揪出小偷?(請輸入半形阿伯數字)
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
請根據ABCD的敘述,排序出Google搜尋引擎運作流程
A.建立內容索引
B.檢索網頁,探索新內容
C.呈現相關程度最高的資訊在瀏覽器上
D.google排序系統,整理並排序索引
A→B→C→D
A→D→B→C
B→A→D→C
B→A→C→D
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A.15秒
B.29秒
C.30秒
D.31秒
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