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【单选题】
有关生态系统的叙述中，正确的是
A.
生态系统是由生产者、消费者和分解者组成的
B.
生态系统中越高级的消费者所获得的物质和能量越多
C.
任何一个生态系统遭到破坏后，自动调节恢复
D.
地球上有多种多样的生态系统，最大的生态系统是生物圈
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参考答案：
举一反三
【单选题】What happened to Mr. Navorski’s country?
A.
There was a military coup in his country.
B.
There was an earthquake in his country.
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【单选题】Mr. Viktor Navorski was a skilled carpenter and a devoted son before he came to New York.
A.
T
B.
F
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【单选题】Can Mr. Navorski understand the two officers’ questions?
A.
Yes
B.
No
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【简答题】乌贼的消化腺有哪些？主要功能是啥？
查看完整题目与答案
【单选题】Can Mr. Navorski speak English fluently?
A.
Yes
B.
No
查看完整题目与答案
【单选题】What is the bad news to Mr. Navorski?
A.
He is not allowed to enter the US.
B.
He left his suitcase on the plane.
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【单选题】Is Mr. Navorski ‘s visa valid?
A.
Yes
B.
No
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【单选题】颊肌的主要作用是
A.
上提颏部皮肤，使下唇靠近牙龈并前伸下唇
B.
下降下唇
C.
牵引口角向后颊部贴近上下牙列，利于参与咀嚼和吮吸
D.
下降口角
E.
其他
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【单选题】What does the officer ask Mr. Navorski to show?
A.
Return ticket  and passport
B.
Book and Money
查看完整题目与答案
【单选题】Can Mr. Navorski go to New York or return to his own country?
A.
Yes
B.
No
查看完整题目与答案
相关题目：
【单选题】What happened to Mr. Navorski’s country?
A.
There was a military coup in his country.
B.
There was an earthquake in his country.
查看完整题目与答案
【单选题】Mr. Viktor Navorski was a skilled carpenter and a devoted son before he came to New York.
A.
T
B.
F
查看完整题目与答案
【单选题】Can Mr. Navorski understand the two officers’ questions?
A.
Yes
B.
No
查看完整题目与答案
【简答题】乌贼的消化腺有哪些？主要功能是啥？
查看完整题目与答案
【单选题】Can Mr. Navorski speak English fluently?
A.
Yes
B.
No
查看完整题目与答案
【单选题】What is the bad news to Mr. Navorski?
A.
He is not allowed to enter the US.
B.
He left his suitcase on the plane.
查看完整题目与答案
【单选题】Is Mr. Navorski ‘s visa valid?
A.
Yes
B.
No
查看完整题目与答案
【单选题】颊肌的主要作用是
A.
上提颏部皮肤，使下唇靠近牙龈并前伸下唇
B.
下降下唇
C.
牵引口角向后颊部贴近上下牙列，利于参与咀嚼和吮吸
D.
下降口角
E.
其他
查看完整题目与答案
【单选题】What does the officer ask Mr. Navorski to show?
A.
Return ticket  and passport
B.
Book and Money
查看完整题目与答案
【单选题】Can Mr. Navorski go to New York or return to his own country?
A.
Yes
B.
No
查看完整题目与答案
参考解析：
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