Bebras-初認識

Bebras-初認識

10th Grade

5 Qs

quiz-placeholder

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Bebras-初認識

Bebras-初認識

Assessment

Quiz

Instructional Technology

10th Grade

Practice Problem

Hard

Created by

張瓊云 張瓊云

Used 25+ times

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5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

(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

Media Image

(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

Media Image

A.15秒

B.29秒

C.30秒

D.31秒

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