学进去-教育应平等而普惠
试题
类型:完形填空
难度系数:0.65
所属科目:小学英语

The traffic lights are the same in every country. There are _______ lights. They're red, yellow and green. Red means "_______". You _______ cross the road now. Yellow means "Wait". You must wait for the _______. And green means "_______". In China and the USA, the drivers drive on the _______ side of the road. In the UK and Australia, the drivers drive on the left side of the road. If you go by car, by bike or _______ foot, you must know the traffic rules.

1.
A.threeB.twoC.fiveD.four
2.
A.GoB.StopC.RunD.Walk
3.
A.canB.mustC.mustn'tD.should
4.
A.redB.blueC.yellowD.green
5.
A.StopB.GoC.RunD.Wait
6.
A.rightB.leftC.twoD.first
7.
A.rideB.atC.byD.on
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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

用户名称
2019-09-19

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

用户名称
2019-09-19
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