以下关于间质细胞的描述中，哪一项是错误的？（）A、位于睾丸纵_爱下问搜题

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问题单项选择题

以下关于间质细胞的描述中，哪一项是错误的？（）

A、位于睾丸纵隔内

B、常成群分布

C、具有分泌类固醇激素细胞的超微结构特点

D、体积较大，圆形或多边形

E、胞质嗜酸性

答案

参考答案：A

完形填空

完形填空。

Dear Feifei,
     Please take __1__ to your sister: __2__ hat, watch, notebook, keys and ID card. The hat is __3__ the
dresser. The watch is under the bed. The notebook __4__ on the bed. The keys __5__ in the drawer. The
ID card is on the table.
                                                                                                              Thanks,
                                                                                                                    Grandma

( )1. A. these thing
( )2. A. She
( )3. A. on
( )4. A. have
( )5. A. do

B. these things
B. her
B. of
B. has
B. does

C. this thing
C. he
C. to
C. is
C. am

D. this things
D. his
D. too
D. are
D. are

填空题

鸡兔同笼，一共有5个头，16条腿，有（）只鸡，（）只兔。