问题
填空题
小明发现他爷爷在看报时，总是让报纸放到离眼睛较远处，这说明爷爷患上了______，可以在眼睛前加一个______透镜来矫正．
答案
看物体时总放在离眼睛较远处，说明能看清远处物体，看不清近处物体，这是远视眼的特征；利用凸透镜来矫正远视．
故答案为：远视；凸．
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小明发现他爷爷在看报时，总是让报纸放到离眼睛较远处，这说明爷爷患上了______，可以在眼睛前加一个______透镜来矫正．
看物体时总放在离眼睛较远处，说明能看清远处物体，看不清近处物体，这是远视眼的特征；利用凸透镜来矫正远视．
故答案为：远视；凸．
| 阅读短文，用方框内所给单词的适当形式填空，使短文意思通顺、完整。（注意：①每个单词 只能用一次。②其中有两个多余选项。） | |
most of our time ①__________ with dolls or toy cars. When we're older our ②__________ may be different. We may put a lot of energy (精力) into ③__________. Some might get interested in less active activities like reading, painting, or ④__________ collecting. Some others might ⑤__________ playing an instrument like the piano or the violin. Some people who ⑥__________ stamps when they were children might still be collecting stamps ⑦__________ they are 80 years old. Other people might get new ⑧__________ every year depending on what is popular. Many people are very ⑨__________ to find jobs that are similar to their hobbies. A hobby helps you ⑩__________ after you get back from work or school. It is something you do only for yourself. |