The goods are packed in cartons interlined with material. A: water-proved B: water-protected C: water-proof D: water-tight

The goods are packed in cartons innerlined with material. A: water-proved B: water-protected C: water-proof D: water-tight

Every radio installation shall be protected against（ ）extremes of temperature and other adverseenvironmental conditions. A: coated oil B: dangerous cargo C: harmful effects of water D: noxious atmosphere

The best irrigation water is river water, pond water and lake water A: 正确 B: 错误

What water is used in the production of injection A: pure water B: purified water C: water for injection D: sterile water for injection

According to the distribution of oil, gas and water, the water at the edge of containing edge is called (). A: External water B: Bottom water C: Edge water D: Edge bottom water

Which one is not the common source of injection water: A: surface water B: ground water C: distilled water D: oil polluted water

It's known to us all _______ a form of energy . A. water is B. that water is C. is water D. that water to

（13）如果派生类以protected方式继承基类，则原基类的protected成员和public成员在派生类中的 A: public和public B: public和protected C: protected和public D: protected和protected

which water is more expensive? A: bottled water B: tap water