题目

两个极易导热的材料做成的体积相等的容器A和B，A是密闭定容的，B带上下可移动的活塞(气体不渗漏).在等温下向A、B两容器中充入等物质的量的N2O4固体并使之迅速气化. (1)在两容器内N2O4刚刚全部气化的时刻(温度相同)，两容器生成NO2的速率A      B(大于、小于、等于) (2)反应进行的某时刻t1(s)时，两容器生成NO2的速率A                    B(大于、小于、等于)，理由是                                                  8、When my son was first diagnosed with autism （孤独症）, it was a very hard time for us．In some ways it was a 1_ because we finally knew the name．of the disease after visiting many hospitals, but it also  2__ years bf uncertainty, and we didn't know what   3_was like．        When I  4__the news with my coworkers, I was so surprised but happy to receive so much immediate   5   from them ．They were focused on what we_6___, not how it would affect my ability to work．        One coworker in particular was  7__, She was always kind and considerate; She called me into her 8__ a few days later, and gave me a（n） "  9__stone''．It is a small stone with an indention （凹陷）for your  10__, It gives you something to  11__ when you're worried, rubbing your thumb around on this stone．It was a lovely 12__．It turned out to be an effective way to reduce anxiety．        She then made a permanent offer to 13_ us to any appointment or testing we needed．Considering the fact that we_ 14__ 90 minutes from where most．treatments took place, this was a（n）  15_offer．She made it very clear to me that this offer  16_last-minute trips or emergencies．Anytime we needed to go anywhere , She was willing to be our transportation．        We never did need to bother her,   17__ knowing it was there and that she was so willing to 18__ made it feel like we were much less _19   ．        I'm very grateful to her and．  20__ around us who came together to be a support system in our time of need．We were really moved by the level of support we received． 1．A．surprise             B．relief            C．pleasure             D．success 2．A．meant               B．broke           C．ended             D．explained 3．A．a dream             B．4 plan           C．the future           D．the job 4．A．received             B．doubted        C．heard               D．shared 5．A．treatment           B．love           C, complaints         D．gifts 6．A．needed             B．saw           C．failed             D．learned 7．A．rude                B．grateful        C．amazing            D．cold 8．A．office               B．school．          C．garden              D．restaurant 9．A．-fear                B．peace            C．anger            D．worry 10．A．ring               B．thumb           C．luck             D．courage 11．A．focus on          B．believe in         C．care about        D．know about 12．A．language           B．expression       C．gesture               D．message 13．A．devote           B．attach           C．introduce          D．drive 14．A．ran                  B．lived                 C．walked            D．rode 15．A．final              B．firm           C．great              D．unconditional 16．A．refused           B．welcomed        C．passed             D．included 17．A．but                 B．L                     C．because             D．if 18．A, move              B．wait             C．help               D．pay 19．A．important         B．alone            C．awake               D．busy 20．A．both          B．few                C．nobody      D．everyone 评卷人 得分 二、选择题 （每空？ 分，共？ 分）