Then why aren't you calm but trembling so much? The man with the gun asked angrily. Because I thought you were the ticket-collector, and I haven't even got a ticket, said John. 36. John
对下列现象解释不合理的是 A.在花园中可闻到花香——分子不断运动 B.将二氧化碳气体制成干冰,体积变小——分子体积变小 C.18g水中大约有6.02×10
.Play, often seen as ______ activity for kids, is still important in ____development of teenagers. A.the; the B.an; the C.an; 不填 D.the; 不填
文化大革命得以发动的根本原因在于 A党和国家面临资产阶级复辟危险 B“左倾”错误严重 C中央对内外形势估计过于严重
设数列满足:,,. (1)求数列的通项公式及前项和; (2)已知数列是等差数列,为的前项和,且,,求的最大值.
阅读下面短文,掌握其大意,然后从各题所给的四个选项(A、B、C、D)中,选出最佳选项,并在答题卡上将该项涂黑。 We recently treated our new-adult son and
《道德经》载:“不尚贤,使民不争;不贵难得之货,使民不为盗;不见可欲,使心不乱。”“我无为,而民自化;我好静,而民自正;我无事,而民
秋风引 刘禹锡 何处秋风至?萧萧送雁群。 朝来入庭树,孤客最先闻。 15、 一、二两句写出了秋风的什么特征?(2分) 16、“朝来入庭树,孤客最先闻