【C19】
A.then
B.as
C.so
D.which
A.then
B.as
C.so
D.which
A.very much
B.a lot
C.lots
D.very many
A.be expected
B.be completed
C.be advanced
D.be introduced
A.The EEC spends one billion pounds on imported energy.
B.At the present level of research spending, it is difficult to make any significant progress in the prevision of energy from the sun.
C.The desired breakthrough could be obtained by the end of the next decade if investment were increased.
D.The total yearly spending of the EEC on solar energy research amounted to almost 6 million dollars.
A.lead to a big increase in research funding
B.make it unnecessary to import oil
C.make it possible to meet the future energy needs of the EEC
D.provide a much greater proportion of the Community' s future energy needs
A.Because all the trash cans are the same color.
B.Because not enough people volunteer to collect the trash.
C.Because most people don' t like to sort their trash.
D.Because collections are not made on a regular basis.
A.To paint the trash cans.
B.To pick up and sort the trash.
C.To pick up and deliver the trash.
D.Do work in the recycling center.
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