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（1）Paris is the capital of __________.
A.the USA B.the UK C.France D.Australia
（2）About ________ percent of the earth's surface is covered with water.
A.29 B.82 C.71 D.100
（3）A car travels at a rate of 50 miles per hour.How long will it take to travel 300 miles?
A.250hours B.6hours C.1/6hours D.15000hours
（4）Beijing Olympic Games are the __________ modem Olympic Games.
A. 27th B. 28h C.29th D. 30th
（5）The number of seconds in one day _____ The number of minutes in one week
A.> B.< C.= D.We don't know
同类型试题
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
