题目

【1】On Wednesday afternoon, you can go and ___________.A.find your jacket B.dance C.watch films【2】If Zoey finds a student card, what should she do?A.Call Justin at 0731-6821B.Call Joshua at 0731-6821C.Call Justin at 0731-6984【3】We can know ____________from the notices.A.Justin can dance with his classmate on Saturday aftemoonB.Joshua finds a student card at schoolC.we can watch films at Yinpengling Road on weekends.设NA表示阿伏伽德罗常数的值，下列说法正确的是 [     ]A.在标准状况下，以任意比例混合的CH4与CO2的混合物22.4L，所含有的分子数为NA B.在标准状况下，NA个H2O 分子所占体积为22.4LC.常温常压下，生成1molH2，发生转移的电子数一定为2NAD.常温常压下，28g氮气含有的核外电子数为10 NA