加试

加试	jiā shì	to add material to an exam / supplementary exam
加	Jiā	Canada (abbr. for 加拿大) / surname Jia
加	jiā	to add / (math.) plus / to increase; to augment / (used before a disyllabic verb, often after an adverb like 不, 大, 稍 etc, to indicate that the action applies to sth previously mentioned, as in 稍加改良 "make some minor improvements to (it)")
试	shì	to test / to try / experiment / examination / test