單項選擇題

The symptoms of the disease manifested themselves ten days later.

A.eased
B.appeared
C.improved
D.relieved

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單項選擇題

The department deferred the decision for six months.

A.put off
B.arrived at
C.abode by
D.protested against

單項選擇題

The original experiment cannot be exactly duplicated.

A.reproduced
B.invented
C.designed
D.reported

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