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【简答题】
由梁的弯曲变形表达式推得的挠度曲线近似微分方程表达式为______，它是在1)______；2)______两个条件下推导得到的。
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举一反三
【单选题】When you decide to start a family, you make a/an ______ to them. You shouldn’t turn your back on the people who love you.
A.
contribution
B.
commitment
C.
devotion
D.
effort
【单选题】恐惧神经症的特点不包括（）。
A.
病人感到很痛苦，往往伴有显著的植物性神经系统功能障碍
B.
对所怕处境的回避，直接造成社会功能受损害
C.
害怕与处境不相称
D.
不想与人接触，经常独自一人呆着
【多选题】Which of the following statements about reproductive medicine are correct?
A.
Reproductive medicine is a branch of medicine that deals with prevention, diagnosis and management of reproductive problems; goals include improving or maintaining reproductive health and allowing people to have children at a time of their choosing. It is founded on knowledge of reproductive anatomy, physiology, and endocrinology, and incorporates relevant aspects of molecular biology, biochemistry, and pathology.
B.
Reproductive medicine addresses issues of sexual education, puberty, family planning, birth control, infertility, reproductive system disease (including sexually transmitted diseases) and sexual dysfunction.
C.
In women, reproductive medicine also covers menstruation, ovulation, pregnancy and menopause, as well as gynecologic disorders that affect fertility.
D.
The field cooperates with and overlaps mainly with reproductive endocrinology and infertility, sexual medicine and andrology, but also to some degree with gynecology, obstetrics, urology, genitourinary medicine, medical endocrinology, pediatric endocrinology, genetics, and psychiatry.
【简答题】Women during reproductive life should ______.
【单选题】P·C32.5R表示强度等级为32.5MPa的早强复合硅酸盐水泥,32.5是指()。
A.
复核硅酸盐水泥代号
B.
7天强度≥32.5MPa
C.
28天强度≥32.5MPa
D.
3天强度≥32.5MPa
【多选题】恐怖性神经症的主要临床特点包括（）。
A.
对所怕处境的回避直接造成社会功能受损
B.
往往伴有显著的植物性神经系统功能障碍
C.
因害怕而感到生活无意义
D.
害怕感与所处环境相匹配
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