The evaporated water then returns as rain, which is vital to areas that are naturally arid.

第1题

Whether water vapor can be seen or not depends on______.A．how much water is evaporatedB．ho

Whether water vapor can be seen or not depends on______.

A．how much water is evaporated

B．how good your eyes are

C．in which way water is evaporated

D．climate or weather

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第2题

水中毒（water intoxication)

水中毒(water intoxication)

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第3题

水管系统 water vascular system

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第4题

水活度值（water activity，aw)

水活度值(water activity，a_w)

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第5题

Salmon is known as a creature spending most of its life in______.A．warm waterB．fresh water

Salmon is known as a creature spending most of its life in______.

A．warm water

B．fresh water

C．cold water

D．salt water

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第6题

水分活度（water activity，Aw)

水分活度(water activity，Aw)

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第7题

The crocodile kills its food ______.A．over the waterB．beside the waterC．under the waterD．o

The crocodile kills its food ______.

A．over the water

B．beside the water

C．under the water

D．on the water

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第8题

介水传染病（water borne infectious disease)

介水传染病 (water borne infectious disease)

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第9题

When mixing alginate impression material（)A．add water to the powderB．add water to the

When mixing alginate impression material()

A．add water to the powder

B．add water to the powder

C．add the powder to the water

D．add them together at the same time

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第10题

The best way to mix gypsum products is to（)A．eyeballthe amount ofpowder added to water

The best way to mix gypsum products is to()

A．eyeballthe amount ofpowder added to water

B．add water to the powder

C．add powder to the water

D．add powder and water to the bowl simultaneously

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第11题

生态需水（ecological water requirement)

生态需水(ecological water requirement)

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