搜题请搜索小程序“爱下问搜题”
问题 单项选择题

下图①②③表示人体细胞间信息传递的三种主要方式。下列描述错误的是（）

A.方式①②的信息传递缓慢，方式③传递迅速

B.方式③的信息传递不通过体液

C.体温调节可能涉及①②③三种传递方式

D.方式①②的信息传递都经过血液循环，存在反馈调节

答案

参考答案：B

填空题
     I have formed the habit of keeping a diary in English since
I started senior high school two year a________.
My English teacher encouraged us to write something in English,
She told________(记录) what had happened to us.
us that the________would become the past and be
forgotten. The best way to k________the past alive
was to keep a diary. On the other h________, writing a
diary in English would help a lot in learning English. Now my
diary________like my best friend. Sometimes
I reread the________(早期的) pieces to call
up those________(记忆) of happiness, sadness and
even embarrassment. ________always make me very
happy and give me a sweet feeling. Thanks to my diary,
I have not l________tracks of my past.

1. ________

2. ________
3. ________

4. ________

5. ________
6. ________
7. ________
8. ________
9. ________
10. ________

     
查看答案
单项选择题

（）是以企业或经济主体为对象进行的信用评级。

A.主体信用评级

B.债券信用评级

C.证券信用评级

D.风险评级
查看答案