28. When the teacher put his finger on his lips, it was a _______ for his students to be quiet.
(A) slope
(B) parade
(C) commander
(D) signal

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統計： A(6), B(9), C(28), D(413), E(0) #1573256

詳解 (共 3 筆)

#2253591
(A) slope ︰傾斜.坡 n.(B...
(共 104 字，隱藏中）
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#2609649

(A) slope 傾斜;坡度
(B) parade 行列;遊行
(C) commander 指揮官
(D) signal 信號;暗號

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#2560878
Slope n 1 [C] a piece of ground or a surface that slopes 斜坡，斜面: Parade n [C] 1 a public celebration when musical bands, brightly decorated vehicles etc move down the street〔慶祝〕遊行; 列隊行進
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