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【简答题】
设集合 A ={2, 3, 4, 8, 9,12} , R 是 A 上的整除关系 ( 1 )写出关系 R 的表示式; (2)写出R的关系矩阵
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举一反三
【单选题】Two years ago, she bought an expensive mountain bike and then she _____ me _____ one.
A.
persuaded; of buying
B.
persuaded; to buy
C.
advised; into buying
D.
advised; of buying
【单选题】I him , but he refused.
A.
persuaded; to go home
B.
persuaded; from going home
C.
prevented; from going home
D.
tried to prevent; going home
【单选题】远视的屈光状态是
A.
眼屈光能力过大，导致将无穷远(5 m以外)处的物体成像在视网膜前
B.
眼屈光能力过小，导致将无穷远(5 m以外)处的物体成像在视网膜前
C.
眼屈光能力过大，导致将无穷远(5 m以外)处的物体成像在视网膜后
D.
眼屈光能力过小，导致将无穷远(5 m以外)处的物体成像在视网膜后
【单选题】She was a famous writer because she persuaded many people to see the truth of her
A.
influential
B.
ordinary
C.
accurate
D.
enthusiastic
【简答题】(1) He persuaded her to go to school, even though she didn't want to. _______ (2)I persuaded my sister into changing her mind. ________ (3) The hunter persuaded us not to walk through the fores...
【单选题】She was an ______ writer because she persuaded many people to see the truth of her ideas.
A.
influential
B.
ordinary
C.
enthusiastic
D.
outstanding
【单选题】根据给出的速度和加速度的正负,对物体运动性质的判断正确的是 ( ).
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