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【单选题】
再生性核左移见于A.
恶性贫血
B.
炎症恢复期
C.
急性大失血
D.
再生障碍性贫血
E.
营养性巨幼细胞性贫血
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反馈参考答案：
举一反三
【单选题】I (don't think) I can (understand) this book because the subject (it) deals with is not familiar (with) me.
A.
don't think
B.
understand
C.
it
D.
with
【多选题】对小儿牙齿的发育的正确描述是（）。
A.
乳牙20颗。恒牙32颗
B.
2岁以内乳牙为月龄减4～6
C.
6岁左右开始出第一颗恒牙
D.
7～8岁开始按萌出先后逐个脱落，代之以恒牙
E.
乳牙最迟2.5岁出齐
【单选题】— I really don't understand why he treats his parents in that way. — ______. [ ]
A.
It's a small world
B.
It takes all sorts
C.
It doesn't matter
D.
It doesn't make sense
【单选题】小儿牙齿发育，下列哪项不正确： ( )
A.
乳牙24颗，恒牙32颗
B.
2岁以内乳牙数为月龄减(4~6)
C.
4~10个月乳牙开始萌出，12个月尚未萌牙可视为异常
D.
6岁左右开始出现第一颗恒牙
E.
7~8岁始乳牙按萌出先后逐个脱落，代之以恒牙
【多选题】下列关于乳牙的说法哪些是正确的？
A.
婴儿出生后6个月左右乳牙胚形成，并于2岁半至6岁左右20颗乳牙逐渐萌出
B.
乳牙在口腔内存在的时间较短，但对保障儿童生长发育所需营养吸收有重要意义
C.
自6～7岁开始，乳牙逐渐脱落被恒牙所替换
D.
乳牙健康和位置正常，可引导恒牙正常萌出
【单选题】— Are you clear, Tom? — No, sorry, I don't ______ understand. Can you please explain the sentence again?
A.
quite
B.
rather
C.
pretty
D.
fairly
【单选题】If you don't know the answer to something, you say: '_______' [ ]
A.
Sorry, I don't understand.
B.
I'm sorry. I don't know.
C.
Can you speak English?
D.
Excuse me. How do you say that in English?
【单选题】I (don't think) I can (understand) this book, the subject (it) deals with is not familiar (with) me.
A.
don't think
B.
understand
C.
it
D.
with
【单选题】I don’t think I can understand this book, the subject it deals with is not familiar with me.
A.
B.
D.
D
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