门镜
“猫眼”是门镜的俗称，一般安装在家居的防盗门上，给我们的生活带来了 很大的方便，它的优势就是屋里人可以很清楚的看到屋外的情况，但是屋外的人看屋里使就十分模糊了．其实门镜的构造并不复杂，就是由凸透镜和凹透镜组成，里面涉及了一些透镜成像的知识，以后我们会逐步学习．结合上述信息，请回答：
（1）靠近门内的应该是 ____ 透镜（填“凸”或“凹”）．
（2）关于凸透镜与凹透镜的叙述的是
A．凸透镜和凹透镜的两侧各有一个焦点
B．只有凸透镜才能对光线起折射作用
C．凹透镜对光线起发散作用，因此其焦点是实焦点
D．凸透镜对光线起会聚作用，因此其焦点是虚焦点．
（1）凸
（2）A
阅读理解。 | |||||||||||||||||||||||||
| SUNNY SCHOOL We are a bilingual (双语) school for children of 6-15. We want a cook, a library assistant, a sports coach and a language teacher.
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| 1．Who CAN'T go to Sunny School? | |||||||||||||||||||||||||
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| A. An eighteen-year-old kid. B. An eleven-year-old boy. C. A fifteen-year-old girl. D. A fourteen-year-old child. | |||||||||||||||||||||||||
| 2．Who is NOT wanted by Sunny School? | |||||||||||||||||||||||||
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| A. A sports coach. B. An English teacher. C. A library assistant. D. A math teacher. | |||||||||||||||||||||||||
| 3．We know ______ may not speak English in Sunny School. | |||||||||||||||||||||||||
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| A. the sports coach B. the cook C. the library assistant D. the language teacher | |||||||||||||||||||||||||
| 4．The coach must major in ______. | |||||||||||||||||||||||||
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| A. Chinese B. English C. food D. P.E. | |||||||||||||||||||||||||
| 5．The Sunny School wants a teacher ______. | |||||||||||||||||||||||||
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| A. aged between 25 and 40 B. who can cook Western food C. who is careful and strong D. who can speak English and Chinese |