“Tom,” says his father, “Let’s go and fly kites in the park. Put on your
Now they are in the park. Suddenly, they see a big black
Tom answers, “I know,
A.T-shirt | B.shirt | C.jacket |
A.sad | B.happy | C.hungry |
A.fly kites | B.chat | C.walk the dog |
A.Tom | B.Mum | C.Dad |
A.dog | B.cat | C.bear |
A.Her | B.His | C.My |
A.happy | B.afraid | C.worry |
A.and | B.so | C.but |
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