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【单选题】
关于小儿牙齿的发育，下列哪项是错误的A.
2岁以内乳牙的数目为月龄减4～6
B.
乳牙24颗，恒牙32颗
C.
4～10个月乳牙开始萌出，先后逐个脱落，以恒牙
D.
6岁左右开始出第一颗恒牙即第1磨牙
E.
7～8岁开始乳牙萌出先后逐个脱落，以恒牙
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举一反三
【单选题】138 The role of the _____ can be invaluable in problem solving.
A.
recognition seeker
B.
devils advocate
C.
dominator
D.
topic jumper
E.
A or C
【简答题】Exercise 2 Listen again and write down the different family types in the US in the past and at present. 1. In the past: 2. At present:
【单选题】( ) is the step of the decision-making process in which the consumer checks her memory and surveys the environment to identify what options might solve her problem.
A.
Product evaluation
B.
Behavioral targeting
C.
Problem recognition
D.
Problem screening
E.
Information search
【简答题】Its products are sold to over 195 countries.
【简答题】What products are the two letters talking about?
【简答题】戴明环包括哪几个阶段？其着重点是什么？
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