Questions 19 to 21 are based on the passage you have just heard.
A. Call their mothers.
B. Send expensive gifts to their mothers.
C. Buy their mothers something they need.
D. Give their mothers a large sum of money.
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Questions 16 to 18 are based on the passage you have just heard.
A. Programs which satisfy game players.
B. The World Wide Web which can help people find information.
C. Various online social networks which amuse young people.
D. E-commerce which improves the development of trade.
Questions 12 to 15 are based on the conversation you have just heard.
A. She is interested in this report.
B. She wants to win a high mark on this report.
C. She needs to get a recommendation from Prof Jackson.
D. She won"t be able to graduate if she doesn"t do well.
Questions 9 to 11 are based on the conversation you have just heard.
A. It must be sealed by the driver according to a rule.
B. It"s a rule that the driver must check all the parcels.
C. It"s just for the sake of the company"s convenience.
D. It"s better to seal the parcel by the driver in a professional way.
关于前不均倾的描述，下列错误的是哪项
A. 胎头以枕横位入盆，胎头侧屈，以前顶骨先入盆，矢状缝靠近骶骨
B. 胎头以枕横位入盆，胎头侧屈，以后顶骨先入盆，矢状缝靠近骶骨
C. 常见于头盆不称、骨盆倾斜度较大、骨盆入口狭窄、悬垂腹时
D. 一经确诊，除个别骨盆宽大，胎儿较小可以短期经阴试产外，其余均应尽快行剖宫产结束分娩
E. 前不均倾位前顶骨紧嵌于耻骨联合后方，后顶骨无法越过骶岬入盆
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