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【简答题】
根据材料，回答下列问题。 材料一：黄河流域水系略图 材料二：兰州——州沿线地形剖面图 材料三： 黄土高原的形成有“风化残积说”、“说”和“风成说”。多数科学家认为，黄土高原位于我国西北内陆地区，那里气候干燥，地面的岩石在风化作用下，不断破碎成为粗细不等的颗粒，每次遇到大风，往往沙尘，遮天蔽日，当大风减弱或遇到秦岭，大行山等高山阻挡时，便降落下来。经过几百万年不断地积累和环境的演变，逐渐形成了黄土高原。 （1）黄河是我国第二长河，其干流沿途水量变化大。根据材料一，分析说明兰州以上、河口至州、 州以下等三个干流河段水量变化的特点及原因。 _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ （2）“黄河之水天上来，奔流到海不复回”。但是，黄河有时奔流不到海。黄河断流可能会带来哪些危 害？ _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ （3）依据材料二、三为“风成说”提供证据？ _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________
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【单选题】His conduct at the conference is regarded as being _____ unacceptable. [ ]
A.
notably
B.
firmly
C.
seriously
D.
totally
【单选题】He has trouble understanding that otherpeople judge him by his conduct
A.
style
B.
behavior
C.
mode
D.
attitude
【单选题】She didn‘t approve of his conduct ______ his former employers。
A.
by means of
B.
in terms of
C.
with regard to
D.
in line with
【简答题】He had to justify himself for his conduct.
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