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【单选题】
分子式为C6H15N且具有以下1H NMR和13C NMR谱化合物的结构正确的是( )【图片】【图片】A.
A
B.
B
C.
C
D.
D
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【简答题】感觉是指客观刺激作用于感觉器官．经过脑的信息加工活动所产生的对客观事物的基本属性的反映。感觉作为认识过程的初级阶段，为知觉和其他复杂认识过程提供最基本的原始材料。感觉的种类可依其信息的来源分为外部感觉和内部感觉两大类。外部感觉包括视觉、听觉、味觉、嗅觉和肤觉。内部感觉反映机体本身的状态，包括动觉、平衡觉和机体觉。根据上述定义，下列说法属于感觉的是： A．小明放学回家后，看到餐桌上有一盘刚好做好的红...
【简答题】在word中下列哪个字号最大( )。A. 初号 B.小三号 C.五号 D.三号
【单选题】-------- Did you go to the film festival? -------- Yes, it was excellent. Zhang Yimou’s latest film was really a _______ for the eyes.
A.
flash
B.
feast
C.
sight
D.
scene
【单选题】听力原文：W: What time is it now? M: Oh! It's already 7: 25. W: We are late for the film. It starts at 8: 00,but it takes us 45 minutes to get to the cinema. M: We must hurry. How late will they be for the...
A.
5 minutes.
B.
10 minutes.
C.
15 minutes.
【单选题】听力原文：W：So how was the premiere of the film acted by my favorite star last Friday? May I miss out on something wonderful? M：Absolutely not! I kept looking at my watch the whole time． Q：What does the ma...
A.
His watch distracted him during the film.
B.
He almost missed the film.
C.
The film failed to meet his expectations.
D.
The film was too late to be show.
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