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正常情况下,食物和气体都要经过的通道是( ) A.食道B.咽C.喉D.气管
10个月前
I ________ in the city since I left school. I like this city very much now.
1年前
温州瑞安市人大代表的选举采用的选举方式是: ①直接选举 ② 间接选举 ③等额选举 ④差额选举
1年前
Experts believe________people can waste less food by shopping only when it is necessary.
1年前
Several months ago, a couple with a little girl moved in next door to me.
1年前