题目

如图，将洁净的锌板用导线连接在验电器上，用紫外线灯照射锌板时，观察到验电器指针发生偏转。下列说法正确的是（ ） A . 有正离子从锌板逸出 B . 验电器的指针上带正电荷 C . 若换用可见光照射锌板时验电器指针一定发生偏转 D . 若换用伦琴射线照射锌板时，验电器指针一定发生偏转 答案：B,D When my husband and I got married, he worked as a mechanic (机修工) from midnight to 8 a．m. However, I worked during the __  . So as he came home from work each morning, I was getting ready to _ _.We had very little __  then, so when Valentine's Day came around that first year, I knew we couldn't ___  _ anything for each other. After he left to go to work the night before Valentine's Day, I decided to ___  _ and make a Valentine's Day card for him. I ___   wrote a poem on the front of the card. When he came home the next __  _， I felt foolish as I handed him the card, ___  _ that he wouldn't laugh at it. When he had finished ___  _ it, he slowly raised his head and looked at me. Then he reached down into his pocket. When he pulled his ___  _ out, he was holding __  . He told me that he had _32_ it for me during his lunch hour, but he had been ___  _ to give it to me because he thought I might think it was ___  _， and that I might laugh at it.It was a small heart made out of aluminum (铝).  ___  _ I had stayed up all night making him a valentine card, he had been cutting out a __  _ for me. I still have the aluminum heart, and I ___   it in my desk. Every time I see it, all those ___   _ come flooding back to me. Over the years, we've been able to buy each other very nice, __   presents for Valentine's Day. But none has ever been as dear or ___  _ as much as those handmade gifts made from our hearts the first year that we were married.【小题1】A．dayB．nightC．weekendD．holiday【小题2】A．cookB．leaveC．restD．help【小题3】A．timeB．chanceC．moneyD．energy【小题4】A．buyB．chooseC．findD．borrow【小题5】A．look outB．call backC．slow downD．stay up【小题6】A．stillB．onlyC．evenD．again【小题7】A．morningB．noonC．afternoonD．evening【小题8】A．imaginingB．hopingC．guessingD．noticing【小题9】A．studyingB．readingC．examiningD．playing【小题10】A．handB．footC．armD．leg【小题11】A．everythingB．anythingC．nothingD．something【小题12】A．writtenB．drawnC．madeD．invented【小题13】A．surprisedB．happyC．angryD．afraid【小题14】A．wrongB．difficultC．dangerousD．silly【小题15】A．BeforeB．ThoughC．WhileD．If【小题16】A．heartB．cardC．toyD．book【小题17】A．changeB．keepC．cutD．divide【小题18】A．problemsB．painsC．memoriesD．choices【小题19】A．strangeB．specialC．expensiveD．satisfying【小题20】A．meantB．provedC．influencedD．explained