In the Inductive method, the teacher provides learners with authentic language data and induces the learners to realize grammar rules with any form of explicit explanation.
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Grammatical competence can’t be attained solely through exposure to the target language or meaningful input.
A. 对
B. 错
Substitution drills and Transformation drills are the most frequently used in mechanical practice.
A. 对
B. 错
利用叠加定理分别求出某电阻R=2Ω中的电流I'=1A,I''=3A,那么该电阻所消耗的功率为( )W。
A. 2W
B. 18W
C. 20W
D. 32W
某线性电路包含有3个独立源、1个受控源和若干个电阻,当利用叠加定理求此电路某一个元件上的电压时,可将此电路最多分解为( )个分电路。
A. 1
B. 2
C. 3
D. 4