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There are two pictures about our city.One is the city now,and the other is before.Look! There was a small park before，but now there is a big and beautiful park in our city.And there is a pond (池塘) with some ducks on it.There wasn't a pond before.In our city there were some old houses and small trees.But now there are some new and tall buildings.The trees are very tall and the flowers are very beautiful.There are some supermarkets and some cars now.I love my city.
1．There was a small park in our city before. （____）2．There was a pond before. （____）
3．There aren't any ducks on the pond now. （____）
4．There were some old houses in the city before. （____）
5．There are some supermarkets and some cars now. （____）
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
