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【单选题】
在“生物与环境”一节中,即是教学重点又是教学难点的是A.
举例说出生物与非生物环境之间以及生物与生物之间的密切关系
B.
解释种群的数量变化特点
C.
尝试用种群数量变化的规律来分析、解释或指导生产实践事例
D.
能分析生态系统中的食物链与食物网
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举一反三
【单选题】The committee asked for these suggestions to be ______ on paper, so that they might study them further．
A.
brought down
B.
handed down
C.
laid down
D.
put down
【单选题】As a result of the terrible snowstorm, the highway has been closed up, so you have to wait for further .
A.
introduction
B.
attention
C.
notice
D.
advice
【单选题】根据《招标投标法》的有关规定,中标通知书对招标人和中标人都具有法律效力。中标通知书发出之后,招标人改变中标结果的,或者中标人放弃中标项目的,应当依法承担( ).
A.
民事责任
B.
经济责任
C.
刑事责任
D.
行政责任
【简答题】一箭双雕 to kill two birds with one
【简答题】kill two birds with one stone
【单选题】The ______ of enterprises with universities and scientific research institutions was further strengthened.
A.
cooperation
B.
management
C.
rationale
D.
revision
【简答题】To kill two birds with one stone
【简答题】In Peter Oslo’s opinion the French experiment ________. A) is likely to direct further research in the inner physics of the earth B) has successfully solved the mystery of polarity reversals C) is cer...
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