某孕妇,月经周期为28天,持续4天,末次月经是2020年3月25日,其预产期是
A. 2020年元月11日
B. 2020年12月2日
C. 2020年12月30日
D. 2021年元月2日
E. 2021年元月12日
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李某,34岁,未产妇,现已停经39周,近两天晚上有不规则腹痛,清晨消失,孕妇怀疑自己已临产,要求做检查。应该给孕妇做
A. X线检查查胎儿脊柱轮廓
B. 做B超检查了解胎儿心是否正常
C. 做肛查或阴道检查,了解宫颈管是否消失及宫口扩张情况
D. 做化验检查体内激素水平
E. 做化验检查血常规
1.How long in advance does Lubetzky ask his employees to give their job-quitting notice?
A. Two weeks.
B. One month.
C. At least two months.
D. More than two years.
2.For his employees，Lubetzky cares most about________.
A. their health conditions
B. their further education
C. their retirement pension
D. their professional growth
3.One of the reasons given by Lubetzky for his job-quitting notice is that________.
A. he treats his team as a “family”
B. he can save a large amount of money
C. changing jobs is regarded as a life transition
D. the news of changing jobs should be kept in secret
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