题目内容

Directions: After reading thefollowing passage,you will find 5 incompletestatements numbered 1 to 5. You shouldcompletethe statements according to the passage with no more than 3 words.What Can I Do if I Am the Victim (受害者) of Fraud(诈骗)?Gather all the informationyou saved or printed when you were ordering, and call the store’s customer service departmentTry to straighten things out (澄清) directly.If the store refuses to consider your complaints, or temporizes (应付) ,or doesn’t answer the phone, you’d bettertalk to your credit card company right away. Give them the full details, and ask for the charge to be removed.If you send a check, call your bank to stop payment.If you decide that the store really indulged in (纵容) fraud, as opposed to being incompetent (无能的), report the case in full detail to the Federal Trade Commission, the National Fraud Information Center, or your state attorney general (检察长). You may not get your money back, but you are helping shut the scam (骗局) artists down.

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13.乳牙形态不同于恒牙的描述中,错误的是

A. 乳牙色泽呈乳黄色
B. 乳牙冠根分明
C. 乳牙相对自身牙体髓腔较大
D. 乳前牙的牙冠相对较宽
E. 乳牙为白垩色

14.下列说法中,正确的是

A. 恒前牙根尖可偏远中
B. 乳前牙根尖可偏唇侧
C. 恒磨牙根干较长,根分叉小
D. 乳磨牙根干短,根分叉大
E. 以上均正确

12.以下关于乳前牙的临床应用解剖说法错误的是

A. 体积小,牙冠短小,乳白色
B. 颈嵴突出,冠根分明
C. 宽冠窄根是乳前牙的特点
D. 乳中切牙的解剖标志是宽冠宽根
E. 上颌乳尖牙的牙尖偏向远中,与恒尖牙相同

81.下颌第二乳磨牙和下颌第一恒磨牙形态近似、位置彼此相邻。容易混淆,下列哪项不是第二乳磨牙的特点

A. 牙冠短小,色白
B. 牙冠颈部明显缩小,颈嵴特别突处,牙冠由颈部向(牙合)方缩小
C. 近中颊尖、远中颊尖及远中尖的大小约相等
D. 第二乳磨牙的根干短,牙根向外张开
E. 近中颊尖、远中颊尖大小相等,远中尖最小

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