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【多选题】
指标和标志之间存在着变换关系，是指A.
在同一研究目的下，指标和标志可以对调
B.
在研究目的发生变化时，指标有可能成为标志
C.
在研究目的发生变化时，标志有可能成为指标
D.
在不同研究目的下，指标和标志可以相互转化
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【简答题】Relationships with the population affected by the project seem to be improving. (signs) Relationships with the population affected by the project __________ .
【简答题】It is hard to imagine that such a small country，the size of Indiana with the population of Alaska，tucked in the Himalaya Mountains，accessible only by two airplanes，is the “Happiest Country’’ in the wo...
【单选题】按现行规范,符合长度()条件的高速公路隧道应设置应急照明系统,并应采用不间断供电系统。
A.
与长度大小无关
B.
L〉200m
C.
L〉500m
D.
L〉1000m
【单选题】With the population explosion, scientists will have to ____new methods of increasing the world ’ s food supply.
A.
lead to
B.
stick to
C.
carry out
D.
come up with
【简答题】Health geographers also study factors that could make certain individuals or a population more likely to be taken ill with a specific health concern or disease, as compared with the population of anot...
【单选题】With the population explosion, scientists will have to come ______ new methods of increasing the world’s food supply.
A.
across
B.
through
C.
out of
D.
up with
【单选题】With the population explosion, scientists will have to __ new methods of increasing the world’s food supply.
A.
lead to
B.
carry on
C.
come up with
D.
stick to
【单选题】With the population explosion, scientists will have to ________ new methods of increasing the world's food supply.
A.
lead to
B.
live on
C.
live up
D.
come up with
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