【题目】In the virtual laboratory environment created in the VR app, students can ________ a particular experiment before doing them in a real lab.
A. reveal B. reserve
C. preview D. provide
在线课程【答案】C
【解析】考查动词。A. reveal显示，揭露；B. reserve保留；C. preview预演；D. provide提供。句意：在VR应用创造的虚拟实验环境下，学生们可以在真正实验室做实验之前预演一个特定的实验。此处表示预演实验，故选C。