指出下列函数的复合过程: (1)y=cos2x;(2)y=e 3x ;(3)y=e sin 3 x ;(4)y=arcsin[1g(2x+1)]
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【单选题】Section A Directions: In this section, you will hear 8 short conversations and 2 long conversations. At the end of each conversation, one or more questions will be asked about what was said. Both the ...