"So while students overseas might get a test question like 'Is oxygen a gas or a liquid?', Chinese teachers would never ask this, because the Chinese character for oxygen tells you immediately that oxygen is a gas.
「所以國外學生可能會被考到『Oxygen」是氣體還液體，中國老師就絕不會考學生『氧』是氣體還是液體？因為字的本身已告訴你了。