Suche: "examen" insgesamt 471 Stk Bilder/Seite

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Senior chemistry professor writing on the board while having a chalk and blackboard lecture (shallow DOF; color toned image)
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Senior chemistry professor writing on the board while having a chalk and blackboard lecture (shallow DOF; color toned image)
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In the library - group of college/university students, friends, with books and laptops working in a high school library (color toned image)
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On campus - pretty, female student with books and laptop working while on a college/university campus (color toned image, shallow DOF)
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Pretty young college student studying in the library/a study room at campus (color toned image; shallow DOF)
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Pretty, young woman celebrating joyfully her graduation - spreading wide her arms, holding her diploma, savouring her success (color toned image; shallow DOF)
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Pretty, young college student drawing on the chalkboard/blackboard during a math class (shallow DOF; color toned image)
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Schoolgirl at lesson with opened book against sketch background
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Senior chemistry professor giving a lecture in front of classroom full of students (shallow DOF; color toned image)
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Senior chemistry professor writing on the board while having a chalk and blackboard lecture (shallow DOF; color toned image)
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Senior chemistry professor writing on the board while having a chalk and blackboard lecture (shallow DOF; color toned image)
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Senior chemistry professor writing on the board while having a chalk and blackboard lecture (shallow DOF; color toned image)
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Three little Halloween witches reading spell above pot
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Little Halloween witch reading conjure above pot
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Pretty, young college student studying in the library/a study room at campus , using her modern laptop computer, writing notes, preparing for exams (shallow DOF)
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Young woman in casual holding opened book with green tree
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Young woman in casual holding opened book with green tree
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Young pretty woman in casual holding opened book
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Young woman in shirt holding book above head
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Woman in casual wear holding opened book in hands. elements of this image are furnished by NASA
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Young woman in shirt holding book above head
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Young man in casual holding opened book with green tree
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Young man in casual holding opened book with green tree
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abstract science and chemical molecule structure on white board in school classroom background
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Pretty, young female college student using a desktop computer/pc in a college library - burning the midnight oil, working hard toward her goals instead of getting enough sleep (shallow DOF; color toned image)
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Senior chemistry professor giving a lecture in front of classroom full of students (shallow DOF; color toned image)
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Senior chemistry professor giving a lecture in front of classroom full of students (shallow DOF; color toned image)
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Senior chemistry professor giving a lecture in front of classroom full of students (shallow DOF; color toned image)
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Senior chemistry professor giving a lecture in front of classroom full of students (shallow DOF; color toned image)
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Senior chemistry professor giving a lecture in front of classroom full of students (shallow DOF; color toned image)
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Senior chemistry professor writing on the board while having a chalk and blackboard lecture (shallow DOF; color toned image)
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Senior chemistry professor writing on the board while having a chalk and blackboard lecture (shallow DOF; color toned image)
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Senior chemistry professor writing on the board while having a chalk and blackboard lecture (shallow DOF; color toned image)
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In the library - pretty, female student with books, papers and laptop computer working in a high school library (color toned image)
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In the library - pretty, female student with books, papers and laptop computer working in a high school library (color toned image)
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In the library - pretty, female student with books, papers and laptop computer working in a high school library (color toned image)
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In the library - pretty, female student with books, papers and laptop computer working in a high school library (color toned image)
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Cute school girl examining dna molecule with microscope
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Senior chemistry professor giving a lecture in front of classroom full of students (shallow DOF; color toned image)
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Senior chemistry professor giving a lecture in front of classroom full of students (shallow DOF; color toned image)
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