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Last summer holiday, Mary went to Xi’an with her family. They went there by plane and stayed there for three days. On the first day, they went to Tang Paradise (大唐芙蓉园). The next day, they visited Shaanxi History Museum (陕西历史博物馆) and Huaqing Pool (华清池). The last day, they went to visit the Bell Tower. And they also went to Kaiyuan Shopping Mall (开元商城). Then they ate the delicious food. After that, they bought some gifts for their friends, too. They had a great time in Xi’an. They went back home by train.
1．Last summer holiday, Mary went to Xi’an with her friends.2．On the first day, they went to Tang Paradise.
3．The next day, they visited the Bell Tower.
4．The last day, they didn’t eat the delicious food or buy some gifts.
5．They had a great time in Xi’an.
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
