1.Which of the following best describes “acquisition” in SLA?
A.A conscious process of accumulating language knowledge in school.
B.A process of internalizing language rules in daily communication.
C.A formal study-based way of learning grammar rules.
D.A process mainly focusing on memorizing vocabulary in textbooks.
正确答案：B
解析：According to Krashen’s distinction, ‘acquisition’ is a subconscious, natural process occurring through meaningful interaction and communicative use, not formal instruction or rote memorization.
3.Which of the following is NOT a factor of L1 influence?
A.Different paths
B.Avoidance
C.Overproduction
D.Error correction
正确答案：D
解析：Error correction is a pedagogical intervention, not an inherent L1 influence mechanism. L1 influence factors include avoidance, overgeneralization, transfer, and different developmental paths.
4.Which of the following is NOT a factor included in “affect” according to the affective filter hypothesis?
A.Motivation
B.Attitude
C.Intelligence
D.Anxiety
正确答案：C
解析：Krashen’s affective filter hypothesis identifies motivation, self-confidence, and anxiety as key affective variables; intelligence is a cognitive factor, not affective.
