单项选择题

Which form other than era4 speech could be most commonly used among blind people（）

A．Picture signs.
B．Braille.
C．Body language.
D．Signal flags.

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填空题

A.chief B.niece C.field D.friend

单项选择题

In the author’s opinion, teachers can only be promoted depending on （）

A．how well they get along with the students
B．how well they give their lectures
C．how many papers and books they have published’
D．how well they conduct their academic researches