<b id="jgzcc"><meter id="jgzcc"><strong id="jgzcc"></strong></meter></b>

單項選擇題

What is the BEST conductor of electricity?（）

A.Carbon dioxide
B.Distilled water
C.Fresh water
D.Salt water

你可能感興趣的試題

單項選擇題

Upon completion of fueling a gasoline driven vessel it is necessary to（）.

A.keep ports，doors，windows，and hatches closed
B.start engines immediately
C.ventilate before starting engine
D.None of the above

單項選擇題

There are（）rats on board.

A.not
B.no
C.any
D.none

<blockquote id="1zo2v"><th id="1zo2v"></th></blockquote>