【判断题】化合物中H的NMR谱化学位移取决于质子的电子环境。
【单选题】茅台酒说明书中“它保持了酱香浓郁,典雅细致,协调丰满,回味悠长等贵州茅台的特点”翻译成了“It possesses the unique style and flavor and is an extensively enjoyable drink.”关于该翻译,下面说法正确的是:
C.
译文翻译属于意译,和原文一样会给读者留下深刻的印象
【单选题】精加工细长轴外圆表面时,较理想的切屑是( )。
【单选题】化合物中H的NMR谱化学位移取决于( )
【单选题】阅读理解 下列对柳树着 “金”色的原因,分析正确一项是 ( )
【单选题】听力原文: In an apparent attempt to force direct dialogue with the United States, North Korea threatened on Tuesday to abandon the armistice that ended the Korean War five decades ago, accusing Washington...
A.
intended to have direct negotiations with the U. S.
B.
prepared for the American preemptive attack
C.
wanted to take a decisive step for many years
D.
thought it possible the armistice would bind them
【多选题】指出下列哪些二烯烃稳定性强?
A.
CH 2 =C=CHCH 2 CH 2 CH 3
B.
CH 2 =CH—CH=CHCH 2 CH 3
C.
CH 2 =CHCH 2 CH=CHCH 3
【简答题】We (apologize) for inconvenience caused by the train ’ s delay.
【单选题】精加工细长轴外圆表面时,较理想的切削形状是( )