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【单选题】
渐开线的形状取决于基圆的大小。基圆越小，渐开线越（）A.
平直
B.
倾斜
C.
弯曲
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
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【简答题】选词并用其适当形式填空。 work, close, look, have, teacher, pen, eat, China, play, climb 1. This is our ________ desk. Ours are over there. 2. Bill has three ________. One is new and the other two are old. 3. His ...
【单选题】Our English teacher _____ two daughers, we all like _____ with them. [ ]
A.
have, playing
B.
has, play
C.
have, to play
D.
has, to play
【简答题】My class will put on a short play in English at the end of the year. Yesterday our English teacher gave us copies of the play. “Choose a character in the play whom you’d like to be, ”she told us. “Thi...
【单选题】某考生答两道计算题,若答对第一题的概率是1/3, 答对第二题的概率是1/5, 则恰好答对一题的概率是( )。
A.
0.6
B.
0.4
C.
0.467
D.
0.534
【简答题】供食用的冻鸡翅中
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