某学校的保健老师在家长课堂讲课时，旁听的口腔专家指出下面哪一项说法容易引起误导
A. 氟化物的使用可减少光滑面龋的发生
B. 窝沟封闭可有效预防窝沟龋的发生
C. 替牙期要特别注重第一恒磨牙的保护
D. 10岁以前儿童需要家长帮助刷牙
E. 刷牙可以有效预防窝沟龋和光滑面龋
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If you followed the advice of the writer, you would______.
A. weigh carefully what people say to determine their real meaning
B. get along well with people
C. trust what other people say
D. have no doubts about our friends
既能行气止痛，又能开郁醒脾的中药是
A. 沉香
B. 香附
C. 乌药
D. 橘红
E. 甘松
By saying "You're a lucky dog.", the speaker ______.
A. is just being friendly
B. expresses the same meaning as "You're a lucky guy." or “You’re a lucky gal."
C. is humorous to apply the word "dog" to people
D. has a hidden jealous feeling behind the words
患者，女性，55岁，要求全口义齿修复，在行口腔检查时，为判断其固位力好坏，应检查，除了
A. 颌骨的解剖形态
B. 黏膜的性质
C. 是否有口腔材料过敏史
D. 唾液的质和量
E. 牙槽突倒凹
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