【单选题】The teacher told his student to make the most of the opportunities ___hand.
【单选题】1,3—戊二烯经臭氧化,在锌存在下水解,可得到哪一种产物?
【单选题】The teacher told his students to make the most of the opportunities ( ) hand.
【单选题】The teacher told his class that the light ___ faster than the sound.
【单选题】The teacher told his students that the earth___________round like a ball.
【单选题】1,3-戊二烯经臭氧化,在锌存在下水解,可得到哪一种产物?
【单选题】在多媒体技术中,语言编码、文本编码、图像编码属于()。