皮皮学，免费搜题
登录
搜题
【判断题】
质量作用定律不适用于反应。A.
正确
B.
错误
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】He was so absorbed in observing the of the tower in the water that he didn’t catch what I said.
A.
reflect
B.
reflection
C.
reflects
D.
reflecting
【单选题】He was so absorbed _______ writing his article that he was not conscious of someone coming in.
A.
with
B.
on
C.
in
D.
up
【单选题】He was so absorbed______the work he was doing that he didn't notice our entrance into the room.
A.
in
B.
at
C.
of
D.
to
【单选题】关于牙根的发育，错误的叙述是（ ）
A.
多根形成时，首先在上皮隔长出2个或3个舌形突起
B.
上皮根鞘在规定的时间没有发生断裂，可形成侧支根管
C.
上皮隔的发育可形成根尖孔
D.
弯曲的上皮根鞘成为上皮隔，形状类似盘状
E.
上皮根鞘对于牙根的正常发育很重要
【单选题】上皮根鞘对牙根发育作用描述错误的是
A.
上皮根鞘连续性破坏则不能在该处诱导分化出成牙本质细胞
B.
上皮根鞘连续性破坏会导致侧支根管的形成
C.
上皮根鞘断裂不及时,在该处不能诱导分化出成牙骨质细胞
D.
上皮根鞘断裂不及时会导致牙本质暴露
E.
上皮根鞘外面被外釉上皮包绕
【单选题】He was so absorbed in his work that not a sound ______.
A.
did she dare to make
B.
dared she to make
C.
she didn’t dare to make
D.
she dared to make
相关题目：
参考解析：
知识点：
题目纠错 0
发布
