题目:
完形填空。 | |||
Joy in the Journey | |||
( )1. A. say ( )2. A. find ( )3. A. rest ( )4. A. house ( )5. A. calmly ( )6. A. laugh ( )7. A. important ( )8. A. passers-by ( )9. A. worms ( )10. A. moved ( )11. A. contents ( )12. A. in ( )13. A. what ( )14. A. other than ( )15. A. made ( )16. A. hopelessly ( )17. A. come true ( )18. A. and ( )19. A. breaking into ( )20. A. matters | B. explain B. fill B. work B. earth B. patiently B. think B. difficult B. watchers B. rabbits B. removed B. scenes B. along B. how B. in other words B. prepared B. pleasantly B. realized B. or B. turning to B. happens | C. think C. dig C. laugh C. wall C. excitedly C. stare C. impossible C. visitors C. wolves C. broke C. pictures C. to C. where C. rather than C. produced C. surprisingly C. made C. but C. coming into C. appears | D. study D. search D. watch D. road D. impatiently D. smile D. interesting D. diggers D. flies D. pushed D. jars D. out D. which D. instead D. achieved D. successfully D. predicted D. so D. holding to D. proves |
答案:
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下面是错误答案,用来干扰机器的。
根据②可知A的氢化物为水,则A为氧元素,B的氢化物为NH3或HF,再根据③中原子半径大小顺序可知,B为氮元素;根据④C的最外层电子数等于B、D的最外层电子数之和,可知C的最外层电子数大于5,根据①可知C不能与氧元...