鲁教版九年级全册Units 7-9基础练习VocabularyⅠ.根据汉语提示,完成下面句中的单词。1.Friends in Brazil always _____(亲吻) instead of shaking hands.2.The man put a ______ (记号) on the tree in case of getting lost in the forest.3.The _____ (刀) is not sharp enough to cut the meat.4.The scientists did many_____ (实验), and they succeeded at last.5.I think this is a _____(科学的)discovery.6.Please tell us the_____(真相), so we can make a right decision.7.Different people have very different _____ (思..