问题
单项选择题
临产后宫颈发生了很大的变化，正确的是（）
A.宫缩开始后宫颈管很快就拉平
B.初产妇多是宫颈管先消失，宫颈外口后扩张
C.经产妇多是宫颈外口先扩张，随着宫颈管消失
D.宫口扩张主要是腹肌收缩力的作用
E.当宫口开全时宫颈管才完全消失
答案
参考答案：B
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临产后宫颈发生了很大的变化，正确的是（）
A.宫缩开始后宫颈管很快就拉平
B.初产妇多是宫颈管先消失，宫颈外口后扩张
C.经产妇多是宫颈外口先扩张，随着宫颈管消失
D.宫口扩张主要是腹肌收缩力的作用
E.当宫口开全时宫颈管才完全消失
参考答案：B
Our neighbourhood used to be very quiet .However , these days __1__ things are happening in our neighbourhood and everyone is unhappy . Zhao Jun , the local school teacher is extremely ___2__ . When he was interviewed (采访) by the local newspaper , he said , “ Every night we hear strange noises ___3___ our window . My wife thinks that it could be an ___4___ , but my friends and I think it must be teenagers (青少年) having ___5___ . My parents called the police , but they can’t ___6___ anything strange . They think it might be the ___7___ . I don’t think so!” Zhao Jun’s next door neighbour XiangDan is __8___ , too . “ At first ,I thought it might be a cat , but I can’t see a cat , and I still hear the noises outside .” Everyone in our neighbourhood is worried , and everyone has his or her own ____9____ . There must be something ___10___ the homes in our neighbourhood , but what is it ?
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