图是显微镜下观察到的人血涂片图象，下列有关叙述错误的是_刷题宝

题干

图是显微镜下观察到的人血涂片图象，下列有关叙述错误的是（　　）

A：①含有细胞核，能吞噬入侵的病菌

B：②主要成分是水，能运输养料和废物

C：③数量最多，具有运输氧的功能

D：输血时血型不合，④会凝集成团

上一题下一题 0.0难度选择题更新时间:2019-12-07 08:41:14

答案(点此获取答案解析）

D

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下列反应既不属于分解反应，也不属于化合反应的是（）

同类题2

造成黄土高原地区水土流失严重的人为原因有

同类题3

阅读下面文段回答问题。

I'm Mrs Zhou. I'm a teacher in No. 1 Middle School(第一中学). This is Li Lei. He's Chinese. He is in Class 2, Grade 7. He's my student, and my son(儿子)too. He's twelve.

That girl is Jean. She's American. She's eleven. And that boy is Jack. He's English. He's ten. They're in Li Lei's class.

I'm their Chinese teacher. All the students and the teachers have two names: an English name and a Chinese name. Li Lei's English name is Tom. My English name is Mary. Their English teacher Miss Jin's English name is Sue. Jean's and Jack's Chinese names are Wei Hua and Zhang Li.

同类题4

三视图均相同的几何体是（　　）

同类题5

a > b

C_{1}

\frac{x^{2}}{a^{2}} + \frac{y^{2}}{b^{2}} = 1

C_{2}

\frac{x^{2}}{a^{2}} - \frac{y^{2}}{b^{2}} = 1

C_{1}

C_{2}

的离心率之积为

\frac{\sqrt{3}}{2}

C_{2}

的渐近线方程为( )

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