30. What is a foreign language learner’s ability to discriminate among sounds, to recognize grammatical functions of words in a sentence, and to extract patterns from the input?
(A) Aptitude
(B) Motivation
(C) Intelligence
(D) Affective filter

Language aptitude 語言能力傾向

the natural ability to learn a language , not including intelligence, Motivation, interest, etc. 天生的語言學習能力，不包括智力、動機、興趣等。

Language aptitude is thought to be a combination of various abilities, such as the ability to identify sound patterns in a new language, the ability to recognize the different grammatical functions of words in sentences, Rote-learning ability, and the ability to infer language rules. 

A person with high language aptitude can learn more quickly and easily than a person with low language aptitude, all other factors being equal.

語言能力傾向被認為是各種能力的綜合，如辨認新語言語音模式的能力、識別句中單詞的不同語法功能的能力、死記硬背能力及語言規則推能力。在其他條件相同的情況下，語言能力傾向強的人，比之語言傾向弱的人，學得快且容易。

參考來源: Longman Dictionary of Language Teaching & Applied Linguistics

Aptitude tests 性向 測驗

learners ability to discriminate among sounds, to recognize grammatical functions of words in a sentence, and to extract patterns from the input

key: ability