题目内容

下列表达式，返回True的是（）

A. a=2;b=2;a=b
B. 3＞2＞1
C. True and False
D. 2!=2

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Which of the following doesn’t belong to soil genetic horizons（）

A. microorganism
B. humus layer
C. illuvial horizon
D. leaching horizon

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The research object of human geography study is（）

A. Natural Environment
B. Social Activities
C. Psychological Behaviors
D. Environmental Ecology

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The famous British naturalist, Darwin, carried out a five-year investigation on the Beagle, to circumnavigation the global. He wrote the most famous book, Origin of Species, which is a classic works i

A. experimental analysis
B. simulation and prediction
C. investigation and empirical study in the field
D. questionnaire survey

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The results of reclaiming land from lakes don’t include（）

A. increase of agricultural land
B. decrease of the water storage ability of rivers and lakes
C. the cities and villages along the banks more easily flooded
D. increase of ecological diversity

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下列表达式，返回True的是（）

A. a=2;b=2;a=b B. 3＞2＞1 C. True and False D. 2!=2

Which of the following doesn’t belong to soil genetic horizons（）

The research object of human geography study is（）

The famous British naturalist, Darwin, carried out a five-year investigation on the Beagle, to circumnavigation the global. He wrote the most famous book, Origin of Species, which is a classic works i

The results of reclaiming land from lakes don’t include（）

A. a=2;b=2;a=b
B. 3＞2＞1
C. True and False
D. 2!=2