判断下列各组单词画线部分的读音是否相同。
⑴{#blank#}1{#/blank#}girl first
⑵{#blank#}2{#/blank#}river under
⑶{#blank#}3{#/blank#}hurt hamburger
⑷{#blank#}4{#/blank#}nurse forty
⑸{#blank#}5{#/blank#}birth thirty
⑹{#blank#}6{#/blank#}ruler computer
⑺{#blank#}7{#/blank#}dinner sister
⑻{#blank#}8{#/blank#}bird dirt