The total water area is about ______the land area.

A． three times as larger as

B． as three times large as

C． three times as large as

D． as large as three times

[单选题]The total weight of cargo，fuel，water，stores，passengers and crew，and their effects，that a ship can carry，is the（）.A . bale cubicB . deadweightC . gross tonnageD . loaded displacement

[名词解释] 农村饮水安全（safe drinking water in rural area）

[单选题]The [resident] ofthe area is unhappy about the noise.A.managerB. occupantC.

[单选题]The [resident] ofthe area is unhappy about the noise.A.managerB.occupantC.l

[问答题]Please write an essay in about 150 words entitled “Water Shortage” based on

[名词解释] 流域面积（watershed area；catchment area）

[名词解释] endangered area

[名词解释] contact area

[名词解释] Portal area

[单选题]A firm in a perfectly competitive environment has its total costs equal to