摘要:对老师点名的应答应该是: A.I know. B.I'm sitting here. C.I'm here. D.It's my name.
网址:http://m.1010jiajiao.com/timu3_id_2675057[举报]
下图表示人体内某些淋巴细胞的分化和免疫过程。数字表示过程,字母表示细胞或物质。请分析并回答:

(1)造血干细胞转变为a、b、c等细胞的过程被称为_________。
(2)③过程是在X的刺激和a细胞等的参与下共同完成的。与③过程相比,④过程的应答特点是______。
(3)⑤过程的产物Y的化学本质是___ ___,参与其合成并分泌的膜性细胞器 、高尔基体及线粒体。
(4)若X是禽流感病毒,则患者体内消灭X必须依靠a增殖分化的淋巴细胞去裂解__ _ ___。如果X是HIV,则由于图中___ ___细胞的大量死亡,导致患者几乎丧失一切免疫功能而死亡。 查看习题详情和答案>>
(1)造血干细胞转变为a、b、c等细胞的过程被称为_________。
(2)③过程是在X的刺激和a细胞等的参与下共同完成的。与③过程相比,④过程的应答特点是______。
(3)⑤过程的产物Y的化学本质是___ ___,参与其合成并分泌的膜性细胞器 、高尔基体及线粒体。
(4)若X是禽流感病毒,则患者体内消灭X必须依靠a增殖分化的淋巴细胞去裂解__ _ ___。如果X是HIV,则由于图中___ ___细胞的大量死亡,导致患者几乎丧失一切免疫功能而死亡。 查看习题详情和答案>>
任务型阅读
Do you have a TV set in your room? Do you watch too much TV? Do you watch any boring shows?
Are the answers to all of those questions "yes"?
We know that watching TV too much is not good for children's health. __________ Let'stake the TV
set out of our bedrooms. We can watch TV on weekends with our parents.
Playing a lot of computer games is also bad. Why not play sports with your friends after school? We
can also do some reading in the evening. We can learn about lots of interesting things in books. Do you
think so?
Are the answers to all of those questions "yes"?
We know that watching TV too much is not good for children's health. __________ Let'stake the TV
set out of our bedrooms. We can watch TV on weekends with our parents.
Playing a lot of computer games is also bad. Why not play sports with your friends after school? We
can also do some reading in the evening. We can learn about lots of interesting things in books. Do you
think so?
1. 从短文中选择适当的词补全下面的句子.
Not all the TV shows are interesting.Some of them are __________.
2. 空缺处所填的句子应该是_________
A.I love my parents.
B.Let's enforce(执行) some no TV days.
C.We can play lots of interesting games.
D.Let's play some computer games.
3. 在文中找出划线词"bad"的英文解释。
________________________________________
4. 在文中找出划线词组"lots of"的同义词组。
________________________________________
5. 把文中划线的句子翻译成中文。
________________________________________
查看习题详情和答案>>
Not all the TV shows are interesting.Some of them are __________.
2. 空缺处所填的句子应该是_________
A.I love my parents.
B.Let's enforce(执行) some no TV days.
C.We can play lots of interesting games.
D.Let's play some computer games.
3. 在文中找出划线词"bad"的英文解释。
________________________________________
4. 在文中找出划线词组"lots of"的同义词组。
________________________________________
5. 把文中划线的句子翻译成中文。
________________________________________
考考你的记忆力,根据句意想一想首字母开头的单词应该是哪个?
1. That thing made me p_____.
2. Georgia, you are a u_____ person.
3. I think my little sister has special t_____.
4. We all chose Li Hua as our l_____.
5. Have you w_____ anything, Tom ?
6. They have a_____ watched the match.
查看习题详情和答案>>
2. Georgia, you are a u_____ person.
3. I think my little sister has special t_____.
4. We all chose Li Hua as our l_____.
5. Have you w_____ anything, Tom ?
6. They have a_____ watched the match.
阅读理解。
My name is Xu Fei. I'm in No. 9 Junior High School in Jinan. I have a friend. His name is Zhang
Hua. He's from Hunan, but now he is in Jinan with his mom.
Zhang Hua is in Class 3, Grade 7 in Xiwang Junior High School in Jinan. He likes math (数学) and it is
good, but his English is poor. Miss Chen, his English teacher, helps (帮助) him after class (课后).
Zhang Hua has a cat (猫) at home. It's white and black. Feifei is its (它的) name. He likes the cat.
Hua. He's from Hunan, but now he is in Jinan with his mom.
Zhang Hua is in Class 3, Grade 7 in Xiwang Junior High School in Jinan. He likes math (数学) and it is
good, but his English is poor. Miss Chen, his English teacher, helps (帮助) him after class (课后).
Zhang Hua has a cat (猫) at home. It's white and black. Feifei is its (它的) name. He likes the cat.
1. Where does Zhang Hua come from?
A. Xiwang
B. Jinan
C. Hunan
B. Jinan
C. Hunan
2. 划线单词poor的意思应该是: _____
A. good
B. not good
C. OK
B. not good
C. OK
3. Who helps Zhang Hua with his English?
A. Miss Chen
B. Xu Fei
C. Zhang Hua's mom
B. Xu Fei
C. Zhang Hua's mom
4. What color is the cat?
A. Black.
B. White.
C. White and black.
B. White.
C. White and black.
5. 根据文章内容,下列说法正确的是: _____
A. Xu Fei is in Xiwang Junior High School.
B. Zhang Hua is 15.
C. The cat's name is Feifei
查看习题详情和答案>>
B. Zhang Hua is 15.
C. The cat's name is Feifei