一定条件下，将等体积NO和O2的混合气体置于试管中，并将试管倒立于水槽里的水中， 发布时间：2017-08-04 16:42 │ 来源：www.tikuol.com 题型：选择题 问题： 一定条件下，将等体积NO和O2的混合气体置于试管中，并将试管倒立于水槽里的水中，充分反应后剩余气体的体积约为原气体总体积的[ ]A. B. C. D.
题型：选择题 甲向乙借款，乙要求甲提供质物出质，甲便以自己的汽车出质给乙，双方签订了质押字据，但乙未实际交付汽车于甲占有，后甲因还不起钱而导致纠纷。对此，下列表述正确的是()。A．乙对该汽车享有质权B．乙对该汽车不享有质权C．如该汽车仍为甲所有，则乙对该汽车享有质权D．乙对该汽车是否享有质权，应根据具体情况而定 查看答案
题型：选择题 完形填空 On a cold winter day, I waited in line to see my hero, Jack Canfield, the author of The Success Principles During his talk, Jack 1 his wallet, pulled out a hundreddollar bill, and said, "Who wants this?" 2 shot up in the audience; people leaned forward to see whom Jack would 3 . But I jumped up, ran up the 4 to the stage, and grabbed the bill.As I was launching myself in the air, thoughts 5 through my mind-was I about to be humiliated (羞辱) in front of 800 people?Would they 6 security guards and take me from the stage? 7 my desire for bold action was louder than any 8 voice. As I got the bill from his hand, he said, "That's it!We can't wait for the 9 to come to us.We must take action to 10 what we want!" After his talk, I managed to formally meet Jack and boldly asked for his 11 email address.Over the next months, I sent him emails 12 my vision and dreams with him.He kindly emailed back lots of encouragement.But my life got 13 with other things.I stopped emailing Jack. A year later, my dreams had worn away.I thought Jack would inspire me into action, like a giant 14 that would show me the way. I emailed him, and then again-but got no 15 . As I sat down at my computer to check my emails, I 16 woke up.What was I doing?I was waiting!Now I remembered the crowd, most likely 17 that hundreddollar bill, while they sat 18 to their chairs. Usually we all have a "Jack" for whom we wait-whether it's a person, a place or a thing.We 19 believe the gifts of life are just around the corner, and that everything will come in a(n) 20 way.So we don't try.We give up. But as Wayne Gretzky said: "You'll always miss 100% of the opportunities you don't take!" So I stopped waiting and started my writing career. Now what are you waiting for?( )1. A.stretched out ( )2. A.Cheers ( )3. A.offer ( )4. A.path ( )5. A.raced ( )6. A.ask ( )7. A.And ( )8. A.careful ( )9. A.opportunities ( )10. A.attract ( )11. A.professional ( )12. A.disclosing ( )13. A.quick ( )14. A.arrow ( )15. A.news ( )16. A.gradually ( )17. A.desiring ( )18. A.lost ( )19. A.sincerely ( )20. A.difficult B. reached for B. Shouts B. greet B. road B. started B. call B. So B. doubtful B. times B. accept B. secret B. describing B. busy B. gate B. notice B. suddenly B. claiming B. glued B. honestly B. impressive C. stuck to C. Heads C. like C. steps C. appeared C. demand C. But C. meaningful C. results C. restore C. public C. presenting C. full C. exit C. response C. immediately C. begging C. opposed C. falsely C. early D. handed in D. Hands D. choose D. route D. existed D. order D. Or D. helpful D. aims D. create D. personal D. sharing D. loose D. entrance D. reaction D. slowly D. worshiping D. devoted D. correctly D. natural 查看答案
题型：选择题 女性，46岁，发作性头痛、心悸、面红3年，查血压200/140mmHg，拟诊嗜铬细胞瘤，在患者的化验结果中最不可能出现下列哪项A．血糖过高，糖耐量减低B．低钾血症C．肾素、醛固酮升高D．糖皮质激素升高 查看答案
