问题 名词解释

劳伦茨变宽

答案

参考答案:

指被测元素原子与其他外来粒子(原子,分子,离子,电子)相互碰撞引起的变宽,称为洛伦茨变宽。洛伦茨变宽随原子区内原子蒸气压力增大和温度升高而增大。

完形填空

It was a cold afternoon. Ginny and I were walking home after work when suddenly a young man asked us, "Do you want a hug(拥抱)?”He carried a sign in his hand which read "Free Hugo". I looked     and noticed there were other young people with him. They all lifted their handmade signs high. The message was the same on all of them - Free Hugs!

"Sure!" Ginny smiled and hugged him with all the     she had in her heart,

"WOW!" he shouted. "That is the best hug I've had all day!"

Then the young man looked at me and asked, 'How about a hug?"

"You got it!" I walked into his     arms. We held a hug briefly(简短地)and parted at once.

Ginny and I stepped back and watched the "free huggers" hug those who     them. All of the young people offered hugs to them.

Not all the people accepted their offers, but the fact was that those who opened their arms in return, walked away with      on their faces.

I felt warmth in my heart. So warm that it seemed as if it were not a cold winter day. At that time, Ginny and I were going through       times. We had little money and were heavily in debt(负债). We were stressed and     , but that afternoon, for a short moment, we   ___    all our problems because of a hug with love.

It took a simple hug to make everyone smile and make everything better.

小题1: A. out                  B. down                  C. round

小题2:A. strength              B. feelings                C. love

小题3:A. open                 B. warm                  C. strong

小题4:A. accepted              B. attracted               C. admired

小题5:A. kindness              B. shyness                C. smiles

小题6:A. busy                 B. lonely                  C. difficult

小题7:A. bored                B. worried                 C. surprised

小题8:A. forgot                B. solved                  C. met

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