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【单选题】
牙纵剖磨片中根部牙本质透明层内侧的一层未矿化区是（）A.
透明牙本质
B.
牙本质
C.
生长线
D.
罩牙本质
E.
托姆斯颗粒层
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皮皮学刷刷变学霸
举一反三
【单选题】No matter how well you construct your speeches, they are likely to __________ unless you speak about matters of interest to your listeners.
A.
become offensive
B.
become illogical
C.
fall flat
D.
mislead
【单选题】No matter how well you construct your speeches, they are likely to __________ unless you speak about matters of interest to your listeners.
A.
fall flat
B.
become offensive
C.
misled
D.
be illogical
【单选题】No matter how well you construct your speeches, they are likely to __________ unless you speak about matters of interest to your listeners.
A.
fall flat
B.
become offensive
C.
mislead
D.
be illogical
【简答题】Unless you speak to him first, she ___(not speak) to you.
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