问题
单项选择题
下列关于缝隙连接的描述,错误的是()
A.呈斑状
B.相邻细胞膜之间的间隙很小
C.传递化学信息
D.传递电信号
E.仅在上皮细胞间存在
答案
参考答案:E
解析:缝隙连接分布于上皮细胞、肌细胞、神经细胞及骨细胞之间。
下列关于缝隙连接的描述,错误的是()
A.呈斑状
B.相邻细胞膜之间的间隙很小
C.传递化学信息
D.传递电信号
E.仅在上皮细胞间存在
参考答案:E
解析:缝隙连接分布于上皮细胞、肌细胞、神经细胞及骨细胞之间。
The Sea Life Centre is a Really Exciting Place Good morning, everyone. 36 to the new Sea Life Centre at Plymouth. The Sea Life Centre is a really exciting place. There are so many things to 37 here and everything is enjoyable. It costs $3.76 for adults , $2 for children and 38 for over sixties and school groups. It’s 39 from 9:00am to 4:30pm every day except 25th and 26th of December. Special 40 include hourly feeding times for all the different animals and fish, and shows in the sea life theatre. 41 is always there to answer questions about what you’ve seen. 42 you are in a group of six or more people, we 43 give you a special guided tour of the centre. But you 44. to arrange(安排 ) this at the information desk when you 45 . The latest attraction(吸引人的事) is a big 46 tunnel(隧道 )you can walk through. All around you, you will see fish swimming--- sometimes even over your head. You certainly have the 47 view(景色 ) of the undersea world. Children 48 it and it’s really amazing for adults, too. When you get 49 , there is a relaxed family dining room serving food. That’s all. For 50. information, phone 091743-564219. Have a good time! Thank you.
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