【单选题】扫描速度愈快,则
A.
衍射峰平滑,衍射线的强度和分辨率下降,衍射峰位逆扫描方向漂移
B.
衍射峰粗糙,衍射线的强度和分辨率下降,衍射峰位向扫描方向漂移
C.
衍射峰平滑,衍射线的强度和分辨率上升,衍射峰位向扫描方向漂移
D.
衍射峰平滑,衍射线的强度和分辨率下降,衍射峰位向扫描方向漂移
【简答题】A.Read fast. B.Proceed more slowly. C.Re—read several times. D.Take in the whole.
【单选题】If someone has acumen , do they have the ability (a) to make quick judgements, or (b) to read fast?
A.
to make quick judgements
【判断题】套利者先买入或卖出相关期货合约,然后再做相反操作,先后扮演多头和空头的角色。 ( )
【单选题】扫描速度愈快,则( )。
A.
衍射峰平滑,衍射线的强度和分辨率下降,衍射峰位向扫描方向漂移。
B.
衍射峰粗糙,衍射线的强度和分辨率下降,衍射峰位向扫描方向漂移。
C.
衍射峰平滑,衍射线的强度和分辨率上升,衍射峰位向扫描方向漂移。
D.
衍射峰平滑,衍射线的强度和分辨率下降,衍射峰位逆扫描方向漂移。
【判断题】(The Trouble with Television) News on TV is read very fast and made too brief and incoherent to be comprehensive. ()
【单选题】After you read the article “Why fast food is slowly killing you”, you stop eating fast food.