【单选题】John and I ________ friends for eight years. We first got to know each other at a Christmas party. But we ________ each other a couple of times before that.
【单选题】图形采用放大真实尺寸的 2 倍绘制,则绘图比例为( )
【单选题】锚泊中的长度为128米的船舶,在能见度不良时,应鸣放 的声号。
【单选题】如果主序星的质量是太阳的15倍,它的寿命是
【单选题】“临川四梦”指的是:
A.
《南柯记》 《邯郸记》 《西厢记》 《牡丹亭》
B.
《西厢记》 《长生殿》 《还魂记》 《紫钗记》
C.
《拜月亭》 《邯郸记》 《牡丹亭》 《南柯记》
D.
《南柯记》 《邯郸记》 《牡丹亭》 《紫钗记》
【简答题】Ayesha and Latisha Jones need to take a break in their own homework to help their dad, because at the age of 52, John Jones is just now learning to read. “I was so uncomfortable and so ashamed,” he sa...