问题
选择题
“红灯→感受器→神经中枢→效应器→停车”，这是小明骑车经过十字路口时的反应，请结合自己所学生物学知识分析“红灯”的光线进入小明眼球形成物像，光线进入眼球的先后顺序是（ ）
A．视网膜→角膜→晶状体→瞳孔
B．角膜→瞳孔→晶状体→视网膜
C．晶状体→角膜→视网膜→瞳孔
D．瞳孔→角膜→晶状体→视网膜
答案
答案：B
搜题请搜索小程序“爱下问搜题”
“红灯→感受器→神经中枢→效应器→停车”，这是小明骑车经过十字路口时的反应，请结合自己所学生物学知识分析“红灯”的光线进入小明眼球形成物像，光线进入眼球的先后顺序是（ ）
A．视网膜→角膜→晶状体→瞳孔
B．角膜→瞳孔→晶状体→视网膜
C．晶状体→角膜→视网膜→瞳孔
D．瞳孔→角膜→晶状体→视网膜
答案：B
“Where is the university（大学）?”This is a question that many visitors to Cambridge(剑桥大学) ask. But no one can give them a answer, for no one can find any walls the university. The university is the city. You can find classroom buildings, , museums and offices of the university all over the city. And most of its members are the students and of the thirty-one colleges.
Cambridge was a common town before the first students and teachers 800 years ago. It grew up by the river Cranta, and the river was once the Cam. A was built over the river as early as 875. So the town got its name “Cambridge”.
In the fourteenth and fifteenth centuries more and more land was used for college buildings. The town grew much in the nineteenth century after the opening of the railway in 1845. Cambridge became a city in 1951 and now there are over 100,000 people in it. Many young students in
other countries to study at Cambridge. It has become a well-known place all around the world.
| 小题1: | A．true B．clear C．right D．real |
| 小题2: | A．on B．around C．near D．by |
| 小题3: | A．libraries B．parks C．zoos D．markets |
| 小题4: | A．parents B．farmers C．workers D．teachers |
| 小题5: | A．yet B．already C．very D．also |
| 小题6: | A．reached B．got C．arrived D．arrived in |
| 小题7: | A．said B．called C．spoken D．talked |
| 小题8: | A．bridge B．building C．station D．house |
| 小题9: | A．smaller B．slower C．faster D．cleaner |
| 小题10: | A．stop B．hate C．dream D．need |