属于替牙期间暂时性错的是（）。 A.恒前牙反 B.恒前牙盟出时_爱下问搜题

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问题单项选择题

属于替牙期间暂时性错的是（）。

A.恒前牙反

B.恒前牙盟出时，出现中度拥挤

C.前牙开1mm

D.上下恒切牙盟出早期，出现前牙深覆

E.上下颌第1恒磨牙建初期，完全远中关系

答案

参考答案：D

完形填空

完形填空。

I 1__________ Zhao Lin. Tom 2__________ my friend. He is 3__________ home. There is 4__________
table at home. He wants 5__________ eat. He is 6__________. He sits at the table. His mother 7__________ at
home too. She is very hungry. She wants to eat and says to Tom, " 8__________ eat."

( ) 1. A. is
( ) 2. A. am
( ) 3. A. to
( ) 4. A. a
( ) 5. A. is
( ) 6. A. to
( ) 7. A. is
( ) 8. A. is

B. am
B. is
B. in
B. and
B. are
B. hungry
B. Are
B. Are

C. are
C. it
C. at
C. to
C. to
C. in
C. at
C. Let's

D. was
D. at
D. on
D. in
D. at
D. drink
D. the
D. at

填空题

气相色谱分析用归一化法定量的条件是（）都要流出色谱柱，且在所用检测器上都能（）。