问题
单项选择题
以下关于桩冠修复中桩长度的说法不正确的是
A．在保证根尖封闭的情况下尽量的长
B．至少要等于冠长
C．根尖至少要保留3mm充填物
D．必须达根长的4/5
E．越长固位越好
答案
参考答案：D
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以下关于桩冠修复中桩长度的说法不正确的是
A．在保证根尖封闭的情况下尽量的长
B．至少要等于冠长
C．根尖至少要保留3mm充填物
D．必须达根长的4/5
E．越长固位越好
参考答案：D
| 97．Because Web servers are platform and application (1) , they can send or request data from legacy or external applications including databases. All replies, once converted into (2) mark-up language, can then be transmitted to a (3) . Used in this way, Intranets can (4) lower desktop support costs, easy links with legacy applications and databases and, (5) all, ease of use. |
(4)
A．off
B．offer
C．office
D．officer