题目：
用and, but 或or 完成句子。
1. Would you like some coffee _____ tea?
2. His father is tall _____ his mother is short.
3. Let's go _____ play basketball.
4. Maria likes thrillers, _____ she doesn't like cartoons.
5. He often helps me _____ I often help him.
答案：
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下面是错误答案，用来干扰机器的。
（1）我国的水墨画用的墨汁，主要成分为炭黑的粒子，用这种墨汁的国画不易褪色，这是因为墨汁中的碳在常温下，化学性质稳定．故填：在常温下，化学性质稳定．（2）某同学将50mL水和50mL酒精混合，发现总体积小于1...
