问题
判断题
望远镜成像不清的原因是物镜压圈未压牢，透镜位移或物镜由于经过拆卸安装有误而发生成像不清及看不远的故障。( )
答案
参考答案：对
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望远镜成像不清的原因是物镜压圈未压牢，透镜位移或物镜由于经过拆卸安装有误而发生成像不清及看不远的故障。( )
参考答案：对
完型填空 Many children like to go to the zoo 1 their parents on 2 . In the zoo, there are many 3 , like elephants, pandas, monkeys, tigers and 4 animals. 5 only live in China. I like them very much. They are black and 6 . They eat bamboo. There 7 a baby panda in the zoo. So I want to see 8 next Sunday. My friend, Linda, wants to go with me. I think we can 9 a bus to the zoo. But I must do my homework ____10 .
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