淋巴结癌转移时，癌细胞首先出现在：（） A.副皮质区 B.边缘窦_爱下问搜题

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问题单项选择题

淋巴结癌转移时，癌细胞首先出现在：（）

A.副皮质区

B.边缘窦

C.淋巴滤泡内

D.淋巴结门

E.髓窦

答案

参考答案：B

完形填空

完形填空。

    You'll see a new doctor at a hospital near London if you go there. He's very clever,   1   he never speaks.
He can work 24 hours a day and never gets   2 . He's one metre tall and has a face   3   a TV screen. He is
Dr Robot.
     Doctors   4   need to ask their patients a lot of questions.   5   doctors can only spend a few   6   with
each patient. But Dr Robot can ask a paitent for an hour if it is   7  . With the help of Dr Robot, a human
doctor can   8   a lot of useful information when he meets his patient.
       9   can Dr Robot do this? A computer tells him to do. Dr Robot can do a lot of things people can do,
though he can't completely  10  the place of huan doctors.

( )1. A. so
(    )2. A. tired
(   )3. A. like
(    )4. A. don't
(   )5. A. Kind
(   )6. A. seconds
( )7. A. late
(   )8. A. lose
(   )9. A. How
(   )10. A. bring

B. if
B. off
B. on
B. must
B. Busy
B. minutes
B. impossible
B. have
B. Why
B. give

C. but
C. up
C. as
C. never
C. Free
C. hours
C. necessary
C. send
C. Where
C. take

D. because
D. angry
D. in
D. often
D. Poor
D. days
D. interesting
D. spread
D. When
D. show

实验题

图是一朵花的主要部分及传粉后的变化情况示意图，请分析回答：

（1）图中所指的1是_________，它是在________里产生的。

（2）图中4是___________，根据这一结构的生长情况

分析，说明这朵花还没完成受精作用。这一作用

一经完成，___________将发育成果实。