若主句是祈使句.或主句中有情态动词.或主句中谓语动词是一般将来时.那么从句用一般现在时表示一般将来时.例如: Be careful when you cross the road. 过马路时要小心. Put up your hand if you have any questions to ask. 如果你们有问题要问的话.请举手. The traffic must stop when the lights are red. 红灯亮时.车辆必须停下. 查看更多

 

题目列表(包括答案和解析)

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。

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根据对话内容,在空白处填写适当的话语(话语可能是一个句子,也可能是一个短语或一个词),使对话完整。(5分)
A: Hi. Bill! You’re reading the novel again.
B: Yes, Tom. I’ll never be tired of it.
A: (1) ______________ have you read it?
B: Three times. Every time I read it, I can always learn something new.
A: Really? (2) _________________________
B: Charles Dickens. I think he is a great English writer.
A: He is also my (3)________ foreign writer. Please let me have a look at it.
B: OK, here you are! … What do you think of it?
A: I think(4)__________________. I haven’t seen such a good novel for long. Where did you buy it?
B: In the Rose Bookshop.
A: I don’t know where it is. (5) _________________
B: No. Only ten minutes’ walk from here, next to the People’s Cinema.

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根据对话内容,在空白处填写适当的话语(话语可能是一个句子,也可能是一个短语或一个词),使对话完整。(5分)
A: Hi. Bill! You’re reading the novel again.
B: Yes, Tom. I’ll never be tired of it.
A: (1) ______________ have you read it?
B: Three times. Every time I read it, I can always learn something new.
A: Really? (2) _________________________
B: Charles Dickens. I think he is a great English writer.
A: He is also my (3)________ foreign writer. Please let me have a look at it.
B: OK, here you are! … What do you think of it?
A: I think(4)__________________. I haven’t seen such a good novel for long. Where did you buy it?
B: In the Rose Bookshop.
A: I don't know where it is. (5) _________________
B: No. Only ten minutes’ walk from here, next to the People’s Cinema.

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根据对话内容,在空白处填写适当的话语(话语可能是一个句子,也可能是一个短语或一个词),使对话完整。(5分)

A: Hi. Bill! You’re reading the novel again.

B: Yes, Tom. I’ll never be tired of it.

A: (1) ______________ have you read it?

B: Three times. Every time I read it, I can always learn something new.

A: Really? (2) _________________________

B: Charles Dickens. I think he is a great English writer.

A: He is also my (3)________ foreign writer. Please let me have a look at it.

B: OK, here you are! … What do you think of it?

A: I think(4)__________________. I haven’t seen such a good novel for long. Where did you buy it?

B: In the Rose Bookshop.

A: I don't know where it is. (5) _________________

B: No. Only ten minutes’ walk from here, next to the People’s Cinema.

 

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根据对话内容。在句中横线上填写适当的话语(话语可能是一个句子.也可能是一个短语或一个单词).使对话完整、正确。

( Eric came back home from school on Friday evening. )

Eric: Hi, Dad! I'm back.

Dad: Hmm, Eric ! How was your study this week?

Eric: Pretty good. And I have good news to tell you. Do you want to know?

Dad: Of course. (56)______________________ ?

Eric: I won first prize in the English speech contest.

Dad: Well done. (57)                         your science? Any progress?

Eric: Yes, Dad! At least I tried my best and learned a lot from my mistakes.

Dad: Good! I' m sure that you can catch up with your classmates very soon.

Eric: Thank you, Dad! I've been busy these days and 1 feel tired. Shall we  (58).                             tomorrow?

Dad: A picnic? Why not? We all need to relax ourselves.

Erie: Great! (59)                            ? And what time?

Dad: Let's go to Central Park at 8:00 in the morning.

Eric: (60).                                              ?

Dad: The radio says it' s a fine day. Finish your homework first and we can help mum do something for the picnic,

Eric : That' s wonderful, Dad.

 

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