问题
单项选择题
关于绒毛膜促性腺激素(HCG)的叙述，哪项是正确的
A．测定血HCG可作为上皮性恶性肿瘤的监测标记
B．来自绒毛膜上皮
C．受孕后10天左右可在母体测出，8～10周达最高峰，后迅速下降
D．在妊娠早期替代FSH功能，促使妊娠黄体发育
E．为一种糖蛋白激素，有α和β两条侧链，α亚单位有特异性
答案
参考答案：C
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关于绒毛膜促性腺激素(HCG)的叙述，哪项是正确的
A．测定血HCG可作为上皮性恶性肿瘤的监测标记
B．来自绒毛膜上皮
C．受孕后10天左右可在母体测出，8～10周达最高峰，后迅速下降
D．在妊娠早期替代FSH功能，促使妊娠黄体发育
E．为一种糖蛋白激素，有α和β两条侧链，α亚单位有特异性
参考答案：C
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| While getting ready for school today, my 16-year-old daughter came into my room to give me a big hug and kiss. I asked her, "What do you want?" She said," 1 Mum, you always tell us to have a good day 2 we leave the house, but I was 3 about who tells you to have a good day and lets you know how much you are 4 ." I am so 5 by the capacity of love and understanding that 6 my children. My 15-year-old son asked me last night if there was a(n) 7 for him to get a summer job this year in order to help us to pay our bills. 8 , in our area, he must be 16. 9 of my children depend on me so much because I am a 10 parent, but just when I pay the 11 that I will not be able to provide for them, they come up with ways to 12 . I completely understand that I will 13 have to find a way to pay the bills as I do not want my children to take up anything. But for now the 14 that they have stepped up and 15 to help without anyone asking touches me. When my daughter was two, I remember rushing to get to 16 , getting to the front door and asking her to 17 and come. Then she appeared at the door with a bag that she was holding open. I said,"We don't have 18 for this." She stopped me and said,"Fill it with love, Mum." I 19 to my knees and hugged her and then kissed her. From then 20 she would bring the bag and I would bring the love to the door before we left for school and work. | ||||
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