What, according to this passage, would be the major impact of the newer energy sources（）
A reduction of the fuel consumed by conventional power stations.
B. A reduction of the manpower required by conventional power stations.
C. The total replacement of conventional power stations.
D. The total replacement of conventional energy sources.
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某男，患外科疾病，临床患部可见：干燥、枯槁、皲裂、脱屑等，伴见口干舌燥、咽喉干燥或疼痛等全身症状。此为下列哪一种致病因素导致（）
A. 风
B. 寒
C. 暑
D. 火
E. 燥
The power produced by the waves, tide and wind（）
A. is not as consistent as it should be
B. is generally less in winter than in summer
C. is never likely to be very great
D. is consistent
We got your name from the UI Ltd of Belgium ( )a reference.
A. for
B. as
C. be
D. with
It can be inferred from the passage that at one time bees had the ability to（）
A. increase their activity in lower temperatures
B. leave cold climates during winter
C. remain dormant(休眠的) through periods of cold weather
D. construct insulated hives
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