题目

信息归纳 请阅读下面材料，根据所提供的信息，完成信息卡。 Dear Ms White, I used to have a lot of problems and I always tried to fix them. I used to do badly in English. To fix it, I read English newspapers to improve it. Now I’m quite good at it. I used to be weak. To fix it, I ate right and joined a sports club. Now I’m strong and healthy. I used to be afraid of speaking in public. To fix it, I took part in all kinds of school activities. Now I’m outgoing and everyone likes making friends with me. But now I have a problem that I can’t fix. I have the ug对结扎了输卵管或输精管的人来说，下列哪项是正确的A.不能产生卵细胞或精子??????? B.不能分泌雌性激素C.第二性征消失?????????????? D.第二性征不变