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问题 单项选择题 A1型题

多囊卵巢综合征患者激素变化，正确的一项是（）。

A.LH/FSH比值>2

B.PRL降低

C.SHBG增高

D.DHEA和Andro降低

E.雌酮降低

答案

参考答案：A

解析：LH/FSH比值对多囊卵巢综合征诊断很有价值，比值>2者，提示患此病的可能性。

判断题

分子筛是人工合成的硅铝酸盐化合物的多孔晶体，其主要成分是SiO2和Al2O3。
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单项选择题

Valentine’s Day was the time my father chose to show his love for the special people in his life. Over the years I fondly thought (31) him as my "Valentine man".

My first recollection of the magic he could bring to Valentine’s Day came when I was six. That morning at the breakfast table I found a card and a gift-wrapped package at my chair. The card was (32) "Love, Dad" and the gift was a ring with a small piece of red glass to represent my birthstone, a ruby.There is (33) difference between red glass and rubies to a child of six, and I remember wearing that ring with pride that all the cards in the world (34) not surpass.

As I grew older, the gifts gave (35) to heart-shaped boxes filled with my favorite chocolate and always included a (36) card signed "Love,Dad". In those years my thank-you became more of a perfunctory response. The cards seemed less (37) , and I took for granted that the Valentine would always be there. I had (38) my hopes and dreams in receiving cards and gifts from "significant others" and "Love, Dad" just didn’t seem quite enough.His final card remains on my desk today. It’s a (39) of how special fathers ean be and how important it has been to me over the years to know that I had a father who continued a tradition of love with simple acts of understanding and an ability to express happiness over the people in his life.Those things never (40) , nor does the memory of a man who never tried being my Valentine.

38（）。

A. let

B. kept

C. plaeed

D. remembered
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