disadvantage n．↔ n.

rule n．↔ n.

part n．↔ n.

finally adv.↔ adv.

handy adj.↔ adj.

enough adj.↔ adj.

informal adj.↔ adj.

clear adj.↔ adj.

steady adj.↔ adj.

B组　反义词

accept v．↔ v.

loose adj.↔ adj.

support v．↔ v.

deep adj.↔ adj.

C组　形近词

cube n．立方↔ n．管子

vivid adj.生动的↔ adj.符合逻辑的；有效的

1．背诵经典　This receiver，a device like a tube，is perfect in principle，but it has its drawback in practice.

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2．背诵经典　I think the built buildings are ample in our district，why not delay constructing this one?

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3．背诵经典　The elegant lady is scanning the insurance contract casually.

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