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1．Lucy practises the violin in the club on Friday afternoons.（改为否定句）
Lucy______ ______the violin in the club on Friday afternoons.
2．My sister will take part in the Chinese poem contest in a few days.（对划线部分提问）
______ ______will your sister take part in the Chinese poem contest?
3．The government is taking action to improve air quality.（保持句意不变）
The government is taking action to______ air quality________
4．I have no idea how I can operate the new washing machine.（改为简单句）
I have no idea______ ______operate the new washing machine.
5．The scientists released the picture of a black hole to the world on April10.（改为被动语态）
The picture of a black hole______ ______to the world by the scientists on April 10.
6．“Are you free to come to my place this Saturday?”Aaron asked me.（改为间接引语）
Aaron asked me______ ______free to go to his place that Saturday.
7．their future，learn，teenagers，by themselves，to plan，should（连词成句）
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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
