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【单选题】
上颌恒牙萌出常见的顺序是A.
1→6→2→3→4→5→7
B.
6→1→2→4→3→5→7
C.
6→1→2→3→5→4→7
D.
6→1→2→3→4→5→7
E.
1→2→6→4→3→5→7
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举一反三
【单选题】Lichens To be certain, a lichen is not the most conspicuous of plants. Lichens grow in unassuming fashion on rocks, logs and other exposed surfaces in a wide range of habitats around the world. To the...
A.
Very little is known about the internal structure of lichen.
B.
The true nature of lichen is not readily apparent.
C.
Lichen is the only composite plant known to exist.
D.
Lichen is a very well-understood kind of plant.
【简答题】M16螺纹的小径等于多少毫米?
【简答题】地衣（lichen）
【单选题】What is at the bottom in the “U Model” of cultural adaptation?
A.
Culture shock
B.
Adaptation
C.
Cultural awareness
D.
Ethnocentrism
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