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People have been making use of these natural supplies _1_thousands of years. _2_ the development of technology and the increase of the population, the amount and range of materials taken has i

ncreased. It is ___3___ that this trend will continue in the years to come. ___4___, natural resources are not inexhaustible. Some resources are already nearly used up. For example, the end of the world’s fuel is already __5___ sight. Such an essential daily item as water is in short supply in many parts of the world. We can no longer thoughtlessly use many resources provided by nature. We must learn to conserve what remains.

A.with

B.estimated

C.however

D.within

E.for

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更多“People have been making use of these natural supplies ___1___thousands of years. ___2___ the develop…”相关的问题

第1题

Greatly surprised, l read one diary after another each( )a similar theme.

A. expresses

B. expressed

C. expressing

D.to express

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第2题

Jim kept the dog ___ up.

A. chain

B. chaining

C. chained

D. to chain

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第3题

Eight years from now, Carrie’s age will be twice Ben’s age. If Carrie’s current age is C a

nd Ben’s current age is B, which of the following represents Carrie’s current age?

A.B

B.B+4

C.B+8

D.2B+8

E.3B

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第4题

If 0.2t=2.2-0.6s and 0.5s=0.2t +1.1,then s=A.1B.3C.10D.11E.30

If 0.2t=2.2-0.6s and 0.5s=0.2t +1.1,then s=

A.1

B.3

C.10

D.11

E.30

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第5题

Which of the following sets of results from the studies is leastconsistent with the predic

tion proposed by theresearchers?

A.The results of Study 1 for AGTB

B.The results of Study 3 for AGTB

C.The results of Study 4 for frugivores

D.The results of Study 4 for hummingbirds

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第6题

Which of the following hypotheses about the relation-ship between the temperature and the

density of a solidis best supported by the data in Figure 2 ? As the tem-perature of a solid increases, the density of the solid:

A.increases only.

B.decreases only.

C.increases, then decreases.

D.decreases, then increases.

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第7题

According to Study 3, compared with the correspond-ing average reflectance for small plume

s, large plumeson Io have an average reflectance at a given wave-length that is:

A.always higher.

B.always the same.

C.always lower.

D.sometimes higher and sometimes lower.

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People have been making use of these natural supplies ___1___thousands of years. ___2___ the development of technology and the increase of the population, the amount and range of materials taken has i

People have been making use of these natural supplies _1_thousands of years. _2_ the development of technology and the increase of the population, the amount and range of materials taken has i