B: I visited my
A:
B: They live
A:
B: No! We had a really good time!
A: Great! I’d like to visit them too.1.
A.how | B.what | C.where |
A.parents | B.grandparent | C.grandparents |
A.Where | B.What | C.Which |
A.on | B.in | C.at |
A.a | B.an | C.the |
A.go | B.goes | C.went |
A.sad | B.glad | C.unhappy |
A.we | B.our | C.us |
A.a lot | B.lot of | C.a lot of |
A.Was | B.Were | C.Did |
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