单项选择题

Which of the following can be inferred from the passage about patent medicines （）

A．They did not cost much.
B．They helped heal snake bites.
C．They did not work very well.
D．They had a strong tast

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单项选择题

Which of the following is TRUE of teacher’s correction of his student’s writing errors （）

A．It is good to correct all the errors
B．A teacher should write something on the papers to encourage his students
C．A teacher’s handwriting must be tidy and clear
D．A teacher had better point out the way for each student to improve his writing

单项选择题

According to the passage, a skills cripple is someone who （）

A．is seriously ill
B．has a rich imagination
C．is a bad writer
D．has a serious injury to the leg