A successful scientist needs _____ if he wants to make hypothesis (假设) of how processes work and how events take place.

She looked at the pretty vase I bought at the market and said it was a real _____.

We all felt a sense of ______ when we saw so many overseas Chinese coming back safe and sound from Libya.

 The CCTV show Chinese Characters Dictation Competition has taken the country by storm, which is partly designed to arouse people’s _______ in the Chinese language.

Our milk powder is especially suitable for children under 6, as it helps a lot to build the body's natural ________.