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【多选题】
固定桥修复要求A.
有正常的牙合龈距离
B.
拔牙后3个月
C.
基牙牙周组织健康
D.
主要用：于修复前牙
E.
适宜年龄为20～69岁
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】交换值的幅度经常变动在 __________ 之间；交换值越接近 __________ ，说明两个连锁的非等位基因之间的连锁强度越大；当交换值越接近 __________ ，连锁强度越小。
【简答题】The boy is interested in b______( 生物 ), isn’t he?
【简答题】真分数的倒数一定大于1，假分数的倒数一定小于1．______．
【单选题】---Did the little boy manage _____ the suitcase upstairs? ---No, he didn’t. He isn’t strong enough even ______ it.
A.
to carry, moving
B.
carrying, to move
C.
to carry, to move
D.
carrying, moving
【简答题】假分数的倒数一定是小于1，真分数的倒数一定大于1．______．
【单选题】-- Why didn't Mike attend the evening party? -- He is a quiet boy; He loves reading at home ______ to parties.
A.
than go
B.
rather than going
C.
than going
D.
more than goes
【单选题】—Has the little boy been to America? —_____. [ ]
A.
Yes, he did
B.
No, he didn't.
C.
No, he hasn't
D.
Yes, he hasn't
【简答题】一、名词解释 上止点: 下止点: 活塞行程: 曲柄半径: 气缸工作容积: 燃烧室容积: 气缸总容积: 发动机排量: 压缩比:
【单选题】－Was he a clever boy ? －_______ .
A.
Yes, he was.
B.
No, he isn’t
C.
Yes, he were
D.
No, they weren’t
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