正确答案: D

助细胞的核位于近珠孔的一边，卵细胞的核近合点

题目：卵细胞和助细胞均有极性，大液泡和核分别位于细胞两端( )。

解析：D

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举一反三的答案和解析：

[单选题]Drunk driving,which was once a occurrence,is now rnder control.

frepuent

[多选题]维管形成层属于( )。

侧生分生组织

次生分生组织

解析：CD

[单选题]Young hoatzins are different from their parents in that ．

they have claws on the wings

[单选题]Which of the following would be the best title for the passage?

Women Love to Talk D． Men Talk Differently from Women

[单选题]In the writer’s opinion, his neighbor was _____________.

not considerate

[单选题]

hat

[单选题]紫萁(Osmunda japonica)的叶为同型叶。( )

错误

[单选题]下列词语中加点的字，读音全都正确的一组是

祥瑞xiáng 馥郁fù 窈窕yǎo 蟾宫折桂chán

解析：解析：本题一改往年考“多音误读”和 “望形生音”，直接考查生“方言误读”， 仰慕的“慕”，方言极易念作“mò”，醇美的“醇”，方言就是念作“shún”或“xún”； 万壑争流的“壑” ，方言中就是念“huò”。这些都是生活中常听到的读音，在普通话中却是不正确的读音，分别读“mù”“chún”“hè”。这样一来，题目的难度没有变，考点却更加贴近生活。

[单选题]

presented