精子_爱下问搜题

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问题名词解释

精子

答案

参考答案：

指苔藓和蕨类植物成熟的雄性生殖细胞，也就是异形配子内显著分化的雄性配子。精子具鞭毛，借水游入颈卵器内，与卵细胞完成受精作用。

单项选择题 A型题

以可可豆脂为基质，制备硼酸肛门栓10枚，已知每粒栓剂含硼酸0.3g，纯基质栓剂为2g，硼酸的置换价为1.5，在此处方中所需要可可豆脂的重量为（）

A.6g

B.12g

C.18g

D.24g

E.30g

完形填空

I drove to a local supermarket the other day. My shopping list was _____ and my wallet was light. Still, I needed to get a week’s worth of groceries for my family. I parked my car, looked down at my list, and hoped I could _____it all.
As I _____ the door, I saw a man with kind eyes and a gentle ______. He said he was collecting for a local food bank that helped to__ __ the hungry in my area. He handed me a second shopping list of things they could use and asked me to ____ if I could. I smiled back, took the ____ and walked into the store. I really wanted to help, but wasn’t sure if I could this time.
I walked through the store, picking up vegetables, soup, spaghetti, bread, milk, cereal, macaroni, bananas,and a dozen other things. I slowly _____ each item off my list until I was done. When I looked down at my full cart I _____ again if I even had enough to pay for it all. Then, as I put my own list back into my pocket, I saw the food _____ list under it. I smiled and decided to trust my heart.
With the food bank in mind,I went over and ______ two of the biggest boxes of rice the store had and put them in my cart. It took____ six dollars out of my wallet to pay for them,__ __ my heart felt six times larger when I did. And when everything was ______, I had just enough to pay for it all.
It ____ so little to make our world a better place. A few dollars can help to fill a child’s ____ belly(肚子). A smile and hug can help to _____ a hurting heart. An encouraging word can inspire someone else to live and to love. A random____ of kindness can change another’s day and life. It is up to us,_____. If we can ______ a few dollars on rice , then we can share a love that will last forever.

C．appreciation