______ world’s largest retailer, Wal-Mart, has opened its _____ third store in Beijing, which means

the firm now has 52 stores in China.[ ]

A. The; a

B. A; a

C. The; the

D. The; /

The minimum length of a boat painter for a lifeboat in ocean service is（）.

A.60 fathoms

B.the distance from the main deck to the light waterline

C.twice the distance from the main deck to the light waterline or 50 feet whichever is greater

D.two times the distance from the boat deck to the light waterline or 50 feet whichever is greater