填空题


【参考答案】

beat—改成hit
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on—改成in
单项选择题
A．improvement in everyday life.B．improvement in educational system.C．lower wages and more working hours.D．more experienced workers and technicians.
A．improvement in everyday life.
B．improvement in educational system.
C．lower wages and more working hours.
D．more experienced workers and technicians.
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