(d)L\e^3t t 2t\ = ? (5%)

2. Generally, the idea behind Input approaches is that children should be exposed to English of an appropriate level, but should not be required to produce the language until they are ready. What is considered the “appropriate level” in the above statement? In addition, do you think this is an appropriate approach employed in an EFL classroom? Provide explanations to illustrate your point of view. (25%)

題組內容

(d)\( L\{e^{3t} t \sin 2t\} = ? \) (5%)

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