终板电位的特点是:() A.无“全或无”现象 B.呈电紧张性扩布 C.有不应期 D.

题型:多项选择题

问题:

终板电位的特点是:()

A.无“全或无”现象

B.呈电紧张性扩布

C.有不应期

D.可以总和

E.电位呈等级性

考点:动物生理学动物生理学题库
题型:多项选择题

土地价值分析的方面不包括( )。

A.土地权利
B.土地利用
C.土地范围
D.土地市场

题型:多项选择题

品读语段,完成练习。

  一天,我在我家花园的蜂窝里提了一些蜜蜂,把它们放在纸袋里。为了证实飞回花园的蜜蜂是我放飞的,我在它们的背上做了白色的记号。然后,我叫小女儿在蜂窝旁等着,自己带着做了记号的二十只蜜蜂,走了两里多路,打开纸袋,把它们放出来。那些被闷了好久的蜜蜂向四面飞散,好像在寻找回家的方向。这时候起风了,蜜蜂飞得很低,几乎要触到地面,大概这样可以减少阻力。我想,它们飞得这么低,怎么能看到遥远的家呢

1.写出下列词语的近义词。

证实——(  )    大概——(  )

2.将画线的句子改写成陈述句。

________________________________________________________________

3.这段话主要写了“我”做实验的过程,你能用最简单的词语概括出实验的几个步骤吗?

捉蜜蜂→(   )→(   )

题型:多项选择题

依据科尔伯格的道德发展理论,习俗水平的发展阶段包括

A.好孩子定向

B.处罚与服从定向

C.社会契约定向

D.维持社会秩序定向

题型:多项选择题

Egyptian wine has an extensive history within the history of Egyptian civilization. Grapes were not (1) to the landscape of Egypt, rather the vines themselves are (2) to have been imported from the Phoenicians, (3) the actual origins remain in (4) . What is known, is that (5) the third millennium BC, Egyptian kings of the first (6) had extensive wine cellars, and wine was used extensively in the temple ceremonies. The main (7) of wine in Egypt, took place between the king, nobles, and the priests in temple ceremonies, and is (8) by numerous painted relief’s, and other (9) evidence. The vineyards of ancient Egypt, were quite different from the modern methods of wine making today. (10) viticulture ( or wine making), ceased to (11) an exclusively ceremonial purpose, the Egyptians began to experiment with simple structures for their vines to train on, (12) found a way to train their vines so they were easy low (13) bushes, and found ways for the soil to (14) more moisture for the vines. Egyptian wine making experiments included the use of different wine presses, adding heat to the must ( the grape juice ready for fermentation) (15) make the wine sweet, and differences in vat types and materials. The (16) finished product of wine, was poured through a cloth filter, and then into earthenware jars, (17) they would be sealed with natural tar and left to (18) . The Egyptians kept accurate records of their vintages, and (19) of their wines, each jar of wine was clearly (20) with it’s own vintage, and quality.

17()

A.which

B.when

C.where

D.and

题型:多项选择题

漏泄同轴电缆的大修周期是()年

A、10~15

B、10~12

C、15

D、12

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