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【单选题】
本实验使用的光栅方程的前提条件是什么?实验中如何实现?A.
前提条件是平行光正入射光栅表面；通过平行光管产生平行光并让望远镜的光轴与光栅表面正交实现
B.
前提条件是平行光正入射光栅表面；通过平行光管产生平行光并让平行光管的光轴与光栅表面正交实现
C.
前提条件是平行光正入射光栅表面；通过平行光管产生平行光并调节自准直望远镜的光轴与分光计主轴相互正交实现
D.
前提条件是平行光正入射光栅表面；通过平行光管产生平行光并让调节平行光轴与分光计主轴相互正交实现
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【多选题】关于湖南省的文学艺术表述正确的有 。
A.
抗战文学中，湖南籍作家张天翼、谢冰莹的创作成就尤为引人注目。
B.
周立波是湖南现代文学“茶子花”派的创始人。
C.
莫应丰的《将军吟》和古华的《芙蓉镇》在首届矛盾文学奖评选中双双获奖。
D.
《毛泽东诗词》被郭沫若称之为诗词中的“泰山北斗”。
E.
近当代著名的文化名人有朱自清、叶圣陶等。
【简答题】In their early youth, Tom's two brothers showed an interest in politics. But Tom took an interest in music. (Use the word "unlike" to rewrite the sentence.
【简答题】Write an essay on the advantages and disadvantages of developing tourism by drawing on at least three types of evidence from the text "The Politics of Travel". Write no less than 250 words and upload ...
【简答题】Choose from "denotation and connotation" to fill in the following blanks. (a) "There is a human sense that an agreement--almost any agreement--will bring peace, but also a fear that it will compromis...
【简答题】现场心肺复苏法是当人的心跳、呼吸骤停后，立即用人工的方法重新建立呼吸和循环，恢复全身各器官的氧供应，尽快使心跳和呼吸恢复。请问心肺复苏法支持生命的三项基本措施是什么？
【单选题】Choose the word that explains the underlined word "My. Bryan, with passionate spirit and enthusiasm, has given most of his life to politics....."
A.
prairie
B.
zealous
C.
reconcile
D.
rampant
【简答题】Use the word "like"or "unlike"to rewrite the following sentences. His father is intelt. But he lacks intelce. Most computer systems on the list are easy to install. But this one is not. Most...
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