單項選擇題

There are some （）(挫) in the box.

A.saws
B.files
C.spanners
D.nuts

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單項選擇題

The maintenance work for sailors includes （）(清潔), repairing and painting work on board a ship. 正確答案A

A.cleaning
B.cleaner
C.cleanly
D.cleanness

單項選擇題

The line leading at right angles to the （）(中線) from the forecastle to the shore is called the forward breast line.

A.draft
B.waterline
C.centerline
D.abeam