PMSG和HCG的主要功能？
参考答案：
PMSG：
1）对雌性动物具有促进卵泡发育、排卵和黄体形成功能；
2）对雄性动物具有促进精细管发育和性细胞分化的功能；
3）对下丘脑、垂体和性腺的生殖内分泌系统具有调节作用。
HCG：
1）对雄性动物具有刺激精子生成，间质细胞发育并分泌雄激素的功能；
2）对雌性动物具有促进卵泡成熟、排卵和形成黄体并分泌孕酮的作用。
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| If there is a test at school today, you may feel awful. Your stomach may hurt and you may have a headache. Maybe even your muscles feel tense. 1 You're womed about your test because you didn't do well on the last one, or maybe you're nervous because you did well on the last one. What should you do? Ask for help. Talk to your mom, dad or your teacher. 2 They can help you find some solutions. Be prepared. Do your homework. 3 On the test day, you're more likely to feel that you know the answers. Believe in yourself. 4 "I studied and I'm ready to do my best. " Don't tell yourself "I'm not good at it. " or "I'm going to freak out(崩溃) if I get a bad grade. " 5 Take good care of yourself. You'll feel your best if you get enough playtime, sleep and nutritious(有营养的) food. This is important all the time.
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