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【判断题】
活泼好动,反应迅速,动作敏捷,思维灵活,但往往不求甚解,注意力转移,情绪不稳定,这些都是抑郁质气质的典型特点。(A.
正确
B.
错误
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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
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