【单选题】听力原文:M: Are you ready for the trip to museums in the Big Apple? I can hardly wait. W: The Big Apple? What are you talking about? M: The Big Apple is the nickname for New York City. W: Oh, tell me, whe...
A.
An exhibit of paintings.
C.
A modern dance production.
【单选题】A young man was called up for army service and had to go to be medically examined. The doctor 【21】______ at a desk when he went 【22】______ He said to the man, 'Take your coat and shirt off, loosen(松开)...
【单选题】听力原文:MB The copy machine isn't working again. Has anyone called in about it yet? WB Yes, I spoke to the repair man this morning. I told him the paper's still getting stuck in the same spot as last wee...
A.
It broke down the previous week.
B.
It cannot make double-sided copies.
C.
It will be delivered later that day.
D.
It was purchased within the past five months.
【简答题】如图①是一块瓷砖的图案,用这种瓷砖来铺设地面,如果铺成一个2×2的正方形图案(如图②),其中完整的圆共有5个,如果铺成一个3×3的正方形图案(如图③),其中完整的圆共有13个,如果铺成一个4×4的正方形图案(如图④),其中完整的圆共有25个,按照这个规律,若这样铺成一个n×n的正方形图案,则其中完整的圆共有( )个。
【单选题】软件详细设计产生的图如图所示,该图是( )。
【简答题】利用如图所示的图案,通过下列变换设计图案,使所设计的图案中包含4个这样的基本图案 (1)通过平移设计图案; (2)通过旋转设计图案.
【简答题】设图G如下图所示,证明图G不是哈密顿图。
【简答题】如图①是一块瓷砖的图案,用这种瓷砖来铺设地面.如果铺成一个2×2的正方形图案(如图②),其中完整的圆共有5个,如果铺成一个3×3的正方形图案(如图③),其中完整的圆共有13个,如果铺成一个4×4的正方形图案(如图④),其中完整的圆共有25个.若这样铺成一个10×10的正方形图案,则其中完整的圆共有 _________ 个.