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單項(xiàng)選擇題

The danger associated with using carbon dioxide in an enclosed space is（）.

A.frostbite
B.skin burns
C.asphyxiation
D.an explosive reaction

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單項(xiàng)選擇題

The Agreement sha1l commence（）a satisfactory Medical Report by a doctor nominated by the Company.

A.on the part of
B.in lieu of
C.subject to
D.in accordance with

單項(xiàng)選擇題

Symptoms of sugar diabetes include（）.

A.increased appetite and thirst
B.decreased appetite and thirst
C.gain in weight
D.elevated temperature

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