He is doing ______  experiment.

A. / 
B. a  
C. an
C
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科目：小學(xué)英語 來源：同步題 題型：單選題

He is doing ______  experiment.
[     ]
A. / 
B. a  
C. an

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科目：小學(xué)英語 來源：同步題 題型：單選題

He is doing _____________ experiment.
[     ]
A. /
B. a
C. an

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科目：小學(xué)英語 來源：期末題 題型：補(bǔ)全對(duì)話，情景問答

Look, read and match. (給下面的圖選擇正確的對(duì)話并連線)
A. 1. -Are they planting trees?
    -Yes, they are.
B. 2. -What is she doing?
    -She is answering the phone.
C. 3. -What are the monkeys doing?
    -They are climbing a tree.
D. 4. -Is she cooking dinner?
    -No, she isn't. She's doing an experiment.
E. 5. -What does Tim like?
    -He likes collecting leaves.

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科目：小學(xué)英語 來源：同步題 題型：補(bǔ)全對(duì)話，情景問答

Read and choose. 讀一讀，把答句序號(hào)寫在相應(yīng)的問句前的括號(hào)內(nèi)。
(     ) 1. What is John doing?   
(     ) 2. What are you doing?   
(     ) 3. What are they doing?   
(     ) 4. Are they eating the vegetables？   
(     ) 5. Is she writing a report?
A. I am watching insects. 
B. He is doing an experiment. 
C. Yes, she is. 
D. They are picking up leaves. 
E. Yes, they are.

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科目：小學(xué)英語 來源：同步題 題型：閱讀理解

閱讀理解，將正確答案的序號(hào)填在括號(hào)里。
       The children are on a field trip. They are very happy. Tom is taking pictures for the birds. Betty is catching
butterflies. The teacher is doing an experiment with her students. Some girls are picking up apples.
1. Where are the children? 
[     ]
A. They are at school.               
B. They are at home.              
C. They are on a field trip.
2. What is Tom doing?
[     ]
A. He is taking pictures.             
B. He is playing chess.             
C. He is doing an experiment.
3. Who is doing an experiment?
[     ]
A. Betty.                                                             
B. The teacher with her students.             
C. Some girls.
4. What is Betty doing?
[     ]
A. She's picking up apples.             
B. She's catching butterflies.               
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科目：小學(xué)英語 來源：同步題 題型：補(bǔ)全對(duì)話，情景問答

讀一讀，選一選，補(bǔ)全對(duì)話。
A. What are you doing?
B. Are they eating honey?
C. OK, come on, let's go.
D. Is John here?
E. Are you playing chess?
F. Thank you.
G. What's he doing?
Mr. Black: It's time to go. Boys  and girls. 1.________
Tom: No, John is not here. Look  he's over there.
Mr. Black: 2._______ Is he running  to us?
Tom: No, he is playing with Chen  Jie.  
Mr.  Black: Go and tell him to come here, Tom. (Tom runs to John and Chen Jie. )
Tom: John and Chen Jie, it's time to leave now.3.__________
John: No, we' are doing an experiment on insects.
Tom: 4.__________

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科目：小學(xué)英語 來源：同步題 題型：補(bǔ)全對(duì)話，情景問答

讀一讀，選一選，補(bǔ)全對(duì)話。
A. What are you doing?
B. Are they eating honey?
C. OK, come on, let's go.
D. Is John here?
E. Are you playing chess?
F. Thank you.
G. What's he doing?
Mr. Black: It's time to go. Boys and girls. 1________________________
Tom: No, John is not here. Look, he's over there.
Mr. Black: 2____________________ Is he running to us?
Tom: No, he is playing with Chen Jie.
Mr. Black: Go and tell him to come here, Tom.
(Tom runs to John and Chen Jie.)
Tom: John and Chen Jie, it's time to leave now. 3____________________
John: No, we are doing an experiment on insects.
Tom: 4____________________
John: Yes, they like it very much.
Tom: 5____________________

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