【名词&注释】
形而上学(metaphysics)、营养元素(nutrient elements)、教学工作(teaching work)、主题思想(theme)、朴素唯物主义(naive materialism)、中心环节(central link)、课外辅导(extracurricular tutorship)、国际象棋、离子通透性(ion permeability)、反意疑问句
[单选题]农田作物的生长和土壤养分之间有着密切的关系，其产量往往受土壤中供应最不足的营养元素所制约。这是( )
A. 利比希最小因子定律
B. 谢尔福德耐性定律
C. 阿伦法则
D. 贝格曼法则
查看答案&解析
举一反三：
[单选题]Passage ThreeAn old Indian story says that the game of chess (国际象棋) was invented by Sissa Ben, Prime Minister of King Shirham. As soon as the invention was finished he gave it to the king, who was glad and asked him what he would like to have in return. To the king's surprise, what Sissa wanted seemed very little. "Your Majesty, "said the minister, kneeling before the king. "I want nothing but some wheat. Please put a grain of wheat on the first square of the chessboard (棋盘), two on the second, four on the third, eight on the fourth.., and so on, doubling the number for each following square. Give me enough grains to cover the 64 squares of the chessboard."
A. "You don't ask for much, my honest servant. You might have asked for gold or money," said the king and then ordered a bag of wheat brought to the palace.
B. But when the counting began, with one grain for the first square, two for the second, four for the third, and so on, the bag was emptied before the 20th square. More bags were brought, but the number of grain needed for the following squares increased so rapidly that the king was not able to keep his promise even with all the crops in the whole India! In fact, he would have needed 8 466 744 073 709 511 615 grains, which would be as much as that they would produce in about 2000 years!
C. Now tile king found himself deep in debt to his minister. He had either to face the terrible trouble all his life or to cut off Sissa's head, the litter of which, it is said was what he finally chose.
D. 41. This story tells us ______.
E. how cruel the king was
F. how clever the minister was
G. Sissa was a famous mathematician
H. how the game of chess came into being
[单选题]冲动传到突触前膜轴突末梢，引起膜对哪种离子通透性(ion permeability)增加 （ ）
A. Na+
B. K+
C. Ca2+
D. Cl-
E. Mg2+
[单选题]教学工作的中心环节是
A. 备课
B. 上课
C. 课外辅导(extracurricular tutorship)
D. 检查评定成绩
[单选题]The writer thinks that we can't judge ______.
A. buildings by the ancient standards
B. all the buildings by the ancient standards
C. all the modern buildings by the ancient standards
D. modern buildings
[单选题]下面不成对的颅骨是 （ ）
A. 顶骨
B. 鼻骨
C. 上颌骨
D. 泪骨
E. 下颌骨
[单选题]突触前抑制的发生是由于 （ ）
A. 突触前膜兴奋性递质释放量减少
B. 突触后膜超极化
C. 突触前膜释放抑制性递质
D. 中间抑制性神经元兴奋的结果
E. 以上原因综合的结果
[单选题]None of the managers said that,______?
A. didn't they
B. did they
C. aren't they
D. are they
[单选题]唯物主义的古代形态是（ ）
A. 朴素唯物主义
B. 辩证唯物主义
C. 历史唯物主义
D. 形而上学唯物主义
[单选题]颈内动脉( )
A. 左侧起自头臂干
B. 营养脑和视器
C. 经枕骨大孔入颅腔
D. 颅外分支营养甲状腺
E. 以上都不对
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