问题
选择题
某元素原子的第4电子层有3个电子，则第3电子层的电子数有（ ）个。
A．2
B．8
C．10
D．18
答案
答案：D
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某元素原子的第4电子层有3个电子，则第3电子层的电子数有（ ）个。
A．2
B．8
C．10
D．18
答案：D
Our children grew up on jelly(果酱) sandwiches.Even my husband and I sometimes have one late at night with a glass of milk. I wasn’t the jelly maker in this ____.My motherinlaw was.The only contribution I made to the jelly making was to ____ baby food jars，which my motherinlaw would ___ with the tasty gel(胶滞体) and send back home with us.For the past 22 years，____ I wanted to make a jelly sandwich，all I had to do was ____ one of those little jars of jelly.Jelly making was just a way of life for my motherinlaw.She always followed the same ____—from picking the fruit to setting the ____ jelly on the homemade shelves. My motherinlaw passed away last December.Among the things in the house to be ____ by her children were the ____ canned goods.Each of her children chose from the many jars of tomato juice，green beans and jelly.When my husband ____ his jars home，we carefully put them away in our kitchen. The other day I reached the kitchen for some jelly，and there it was.Sitting all ____ on the far side of the shelf was a small jar.The lid was rusty.As I picked up the jar，I suddenly realized something that I had ____ to see earlier.Yes，this was the ____ jar we would ever have from the patient，____ hands of my motherinlaw.It seemed like such a ____ thing，and most days it was something that was taken for granted.But today it seemed a valuable ____.I put the jelly back on the shelf. We have many things that ____ belonged to my motherinlaw.These are the kinds of things that we expect to pass on to our children.But I’m just not ____ to give up this last jelly jar，and all the ___ its presence allows me to hold onto.The jar of jelly won’t keep that ____.It will either have to be eaten or thrown out...but not today.
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