
【名词&注释】
普通话(putonghua)、贴近生活(close to life)、卵细胞(egg cell)、次生分生组织(secondary meristem)、侧生分生组织(lateral meristem)、维管形成层(vascular cambium)、助细胞(synergid)
[单选题]卵细胞和助细胞(synergid)均有极性,大液泡和核分别位于细胞两端( )。
A. 卵细胞和助细胞(synergid)的核均位于近珠孔的一边
B. 卵细胞和助细胞(synergid)的核均位于近合点的一边
C. 卵细胞的核位于近珠孔的一边,助细胞(synergid)的核近合点
D. 助细胞(synergid)的核位于近珠孔的一边,卵细胞的核近合点
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举一反三:
[单选题]Drunk driving,which was once a occurrence,is now rnder control.
A. general
B. frepuent
C. normal
D. particular
[多选题]维管形成层(vascular cambium)属于( )。
A. 原分生组织
B. 初生分生组织
C. 侧生分生组织
D. 次生分生组织
[单选题]Young hoatzins are different from their parents in that .
A. they look like young cuckoos
B. they have claws on the wings
C. they eat a lot like a cow
D. they live on river banks
[单选题]Which of the following would be the best title for the passage?
A. Women Are Socially Trained to Talk B. Talking Maintains Relationships
B. Women Love to Talk D. Men Talk Differently from Women
[单选题]In the writer’s opinion, his neighbor was _____________.
A. friendly
B. warm-hearted
C. not considerate
D. not helpful
[单选题]
A. rag
B. hat
C. pocket
D. counter
[单选题]紫萁(Osmunda japonica)的叶为同型叶。( )
A. 正确
B. 错误
[单选题]下列词语中加点的字,读音全都正确的一组是
A. 祥瑞xiáng 馥郁fù 窈窕yǎo 蟾宫折桂chán
B. 聪颖yǐng 仰慕mò 芳馨 xīn 龙驹凤雏chú
C. 幽婉wǎn 荣膺yīng 醇美shún 岁稔年丰rěn
D. 涟漪yī 富庶shù 澄澈chéng 万壑争流huò
[单选题]
A. hit
B. disappointed
C. presented
D. bored
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