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【单选题】
鼓式车轮制动器的旋转元件是:A.
制动蹄
B.
制动鼓
C.
摩擦片
D.
制动钳
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【单选题】Brisons là! Tu dis ______
A.
n'importe où
B.
n'importe quoi
C.
n'importe comment
D.
n'importe qui
【简答题】In 1826, a Frenchman named Niepce needed pictures for his business. But he was not a good artist, so he invented a very camera. He put it in a window of his house and took a picture of his gard...
【单选题】下列关于电压互感器的说法正确的是（）。
A.
电压互感器，一次侧必须装熔断器，二次侧可不装
B.
电压互感器，二次侧必须装熔断器，一次侧可不装
C.
电压互感器，一二次侧都应装熔断器
D.
电压互感器，一二次侧都不装熔断器
【简答题】阅读理解。 In 1826, a Frenchman named Niepce needed pictures for his business. But he was not a good artist. So he invented a very camera, He put it in a window of his house and took a picture of hi...
【简答题】In 1826, a Frenchman named Niepce needed pictures for his business .But he was not a good artist .So he invented a very camera (照相机).He put it in a window of his house and took a picture of his...
【单选题】In 1826, a Frenchman named Niepce needed pictures for his business. But he was not a good artist. So he invented a very simple camera. He put it in a window of his house and took a picture of his yard...
A.
the invention of cameras
B.
a kind of new art-photography
C.
the development of photography
D.
the important dates in the history of photography
【简答题】1826, a Frenchman named Niepce needed pictures for his business .But he was not a good artist.So he invented a very camera (照相机).He put it in a window of his house and took a picture of his gar...
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