单项选择题

A．skin
B．tissue
C．organ
D．muscle
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单项选择题
A．after allB．on the other handC．in any caseD．as s rest
A．after all
B．on the other hand
C．in any case
D．as s rest
单项选择题
What do we know from the passage about Asian immigrants
A．They were looked down upon by European immigrants.
B．They had a hard time seeking equal job opportunities.
C．They worked very hard to earn a decent living.
D．They strongly opposed continued immigration.
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