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【单选题】
胎儿通过脐带与胎盘相连，胎盘的主要作用是（　　）
A.
胎儿连接母体的器官
B.
胎儿与母体进行物质交换的器官
C.
胎儿的器官
D.
母体的器官
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参考答案：
举一反三
【简答题】胆汁的显色反应有 A.Legal反应 B.Pettenkofer反应(10%蔗糖加5滴浓硫酸)，产生紫色 C.Keller-Kiliani反应 D.Gregory Pascoe反应(45%硫酸+0.3%糠醛)显蓝色 E.三氯化锑反应
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【单选题】可发生Keller-Kiliani反应
A.
B.
C.
D.
E.
查看完整题目与答案
【单选题】连翘抗菌成分是( )
A.
齐墩果酸
B.
连翘酚
C.
皂苷
D.
牛蒡子苷
E.
连翘苷
查看完整题目与答案
【单选题】连翘抗菌成分是( )
A.
黄酮醇苷
B.
皂苷
C.
连翘苷元
D.
连翘苷
E.
连翘酚
查看完整题目与答案
【简答题】听句子，选择最佳答案。 A. In the afternoon.  B. No,there isn't.  C. Houston Rocket.  D. That's a great idea. E. At Sun Theatre. 1.__ 2. __ 3.__ 4. __ 5. __ ?
查看完整题目与答案
【简答题】完形填空。 There is an American story about three sisters. They loved each other very much. Each 1 could only be happy when she was with her sisters. The oldest sister stood 2 . Her name was Corn. Corn was...
查看完整题目与答案
【单选题】You are working as a network technician， study the exhibit carefully. Your boss has informed youthat there have been problems with the WAN that is using EIGRP routing protocol. You arerequired to trou...
A.
The IP address on the tunnel interface on Branch5 is incorrect. It should be 192.168.1.16255.255.255.252
B.
The tunnel source for tunnel 5 is incorrect on the HQ router. It should be serial 2/0
C.
The tunnel numbers for tunnel between the HQ router and the Branch5 router do not match
D.
The tunnel destination address for tunnel 5 is incorrect on the HQ router. It should be 10.2.5.1to match the interface address of the Branch5 router
E.
The tunnel interface for tunnel 5 on the HQ router is in the administrative down state
查看完整题目与答案
【简答题】从方框中选择恰当的选项补全对话，有两项是多余的。 A. That's a good idea. B. Would you like to go to the theatre? C. Would you like to go there with me? D. Where is it? E. What day is it today? F. How many people are there? G....
查看完整题目与答案
【单选题】柴油的十六烷值,主要用来评定车用柴油机的
A.
发火性
B.
蒸发性
C.
低温流动性
D.
粘度
查看完整题目与答案
【单选题】连翘抗菌成分是
A.
黄酮醇苷
B.
皂苷
C.
连翘酚
D.
6 ， 7 —二甲氧基香豆精
E.
连翘苷
查看完整题目与答案
相关题目：
【简答题】胆汁的显色反应有 A.Legal反应 B.Pettenkofer反应(10%蔗糖加5滴浓硫酸)，产生紫色 C.Keller-Kiliani反应 D.Gregory Pascoe反应(45%硫酸+0.3%糠醛)显蓝色 E.三氯化锑反应
查看完整题目与答案
【单选题】可发生Keller-Kiliani反应
A.
B.
C.
D.
E.
查看完整题目与答案
【单选题】连翘抗菌成分是( )
A.
齐墩果酸
B.
连翘酚
C.
皂苷
D.
牛蒡子苷
E.
连翘苷
查看完整题目与答案
【单选题】连翘抗菌成分是( )
A.
黄酮醇苷
B.
皂苷
C.
连翘苷元
D.
连翘苷
E.
连翘酚
查看完整题目与答案
【简答题】听句子，选择最佳答案。 A. In the afternoon.  B. No,there isn't.  C. Houston Rocket.  D. That's a great idea. E. At Sun Theatre. 1.__ 2. __ 3.__ 4. __ 5. __ ?
查看完整题目与答案
【简答题】完形填空。 There is an American story about three sisters. They loved each other very much. Each 1 could only be happy when she was with her sisters. The oldest sister stood 2 . Her name was Corn. Corn was...
查看完整题目与答案
【单选题】You are working as a network technician， study the exhibit carefully. Your boss has informed youthat there have been problems with the WAN that is using EIGRP routing protocol. You arerequired to trou...
A.
The IP address on the tunnel interface on Branch5 is incorrect. It should be 192.168.1.16255.255.255.252
B.
The tunnel source for tunnel 5 is incorrect on the HQ router. It should be serial 2/0
C.
The tunnel numbers for tunnel between the HQ router and the Branch5 router do not match
D.
The tunnel destination address for tunnel 5 is incorrect on the HQ router. It should be 10.2.5.1to match the interface address of the Branch5 router
E.
The tunnel interface for tunnel 5 on the HQ router is in the administrative down state
查看完整题目与答案
【简答题】从方框中选择恰当的选项补全对话，有两项是多余的。 A. That's a good idea. B. Would you like to go to the theatre? C. Would you like to go there with me? D. Where is it? E. What day is it today? F. How many people are there? G....
查看完整题目与答案
【单选题】柴油的十六烷值,主要用来评定车用柴油机的
A.
发火性
B.
蒸发性
C.
低温流动性
D.
粘度
查看完整题目与答案
【单选题】连翘抗菌成分是
A.
黄酮醇苷
B.
皂苷
C.
连翘酚
D.
6 ， 7 —二甲氧基香豆精
E.
连翘苷
查看完整题目与答案
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