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【单选题】
中央强调，“十三五”期间，( )对经济增长的贡献应进一步加大。A.
消费
B.
投资
C.
净出口
D.
改革
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】We can conclude from the passage that in teaching the intermediate reader much attention should be paid to______.
A.
selection of reading materials
B.
teachers
C.
fluency and a wide coverage of' the language
D.
individual and graded learners
【简答题】______和______都是不可见光．
【简答题】紫外光谱仪常用的吸收池有______和______两种。______可用于紫外光区和可见光区，______用于可见光区，可见光区有时也可以用______吸收池。吸收池______加热或烘烤。
【简答题】所谓可见光是指______。
【单选题】The intermediate goods are not counted in the calculation of GDP, because:
A.
that involves double-counting.
B.
these goods are not produced for the market.
C.
these are produced in the underground economy.
D.
these goods involve financial transactions.
【单选题】We can conclude from the passage that in teaching the intermediate reader much attention should be paid to ______.
A.
individual learners
B.
extensive reading
C.
supplementary, graded readers
D.
both A and C
相关题目：
【简答题】紫外光谱仪常用的吸收池有______和______两种。______可用于紫外光区和可见光区，______用于可见光区，可见光区有时也可以用______吸收池。吸收池______加热或烘烤。