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
完形填空。

There are many signs around us. We know a lot about ______. They ______ different ______. We ______ run ______ the wet floor. We shouldn’t ______ in a hospital. The sign “Danger” _____ we ______ go in it. In the cinema or other places, we shouldn’t ______. In the library or a reading room, we should _____ quietly. All of us should remember them.

1.
A.itB.theyC.them
2.
A.meanB.meansC.meaning
3.
A.thingsB.the thingC.thing
4.
A.shouldB.canC.can’t
5.
A.inB.onC.to
6.
A.smokeB.eatC.drink
7.
A.is meanB.meanC.means
8.
A.mustB.canC.shouldn’t
9.
A.litterB.litteringC.read
10.
A.shoutB.read booksC.talk
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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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