
7.8 單元7 選擇題

Quiz
•
Mathematics
•
8th Grade
•
Hard
Wai Fu
Used 1+ times
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪些是率的單位?
I. cm2
II. km/h
III. $/天
只有 I 及 II
只有 I 及 III
只有 II 及 III
I、II 及 III
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪項不是率?
30 km/h
3/4
$20/kg
400 卡/kg
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
某運動員用 2.5 小時跑畢 42 km。求他的跑步速率。
4.8 km/h
12.8 km/h
16.8 km/h
28 km/h
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
一部發動機在 45分鐘內消耗了 210 L的汽油。求該發動機的汽油消耗率。
4.67 L/h
8 L/h
280 L/h
320 L/h
5.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
下列為不同公司所提供的手提電話通話服務:
月費 通話時間 (分鐘)
公司 A $80 270
公司 B $75 250
公司 C $85 285
公司 D $70 225
以每分鐘計,哪一間公司提供的服務最便宜?
公司 A
公司 B
公司 C
公司 D
6.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
某水泵的抽水率是 500 mL/min。試以「L/h」為單位表示該水泵的抽水率。
1.5 L/h
25 L/h
50 L/h
90 L/h
7.
MULTIPLE CHOICE QUESTION
3 mins • 3 pts
下列哪馬匹的速率最高?
馬匹 A:15 m/s
馬匹 B:800 m/min
馬匹 C:0.5 km/min
馬匹 D:60 km/h
8.
MULTIPLE CHOICE QUESTION
3 mins • 3 pts
下列為 4 條水管的排水率。哪一條水管的排水率最高?
水管A:500 L/h
水管B:8 L/min
水管C:0.15 L/s
水管D:130 mL/s
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