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【多选题】
中华人民共和国成立以来特别是改革开放以来,党高度重视精神文明建设的重要举措有A.
开展爱国主义教育、理想信念教育
B.
培育和弘扬民族精神
C.
提倡新文化运动
D.
倡导和践行社会主义核心价值观
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皮皮学刷刷变学霸
举一反三
【单选题】I can think of nothing more ______ than arriving at the theater and discovering that I have left the tickets at home.
A.
vicious
B.
inviting
C.
vexatious
D.
immoral
【多选题】下面叙述正确的是?( )
A.
利用球面反射镜中心部分可实现f-θ线性扫描
B.
扫描反射镜与球面镜之间距离0.5f,光斑的弥散圆最小。
C.
利用球面反射镜边缘部分可实现f-θ线性扫描
D.
当抛物反射镜与扫描反射镜之间距离为0.665f时，得到很好的f-θ线性,
【单选题】I was so late arriving at the airport that I______ had time to board the plane.
A.
nearly
B.
scarcely
C.
seldom
D.
justly
【单选题】I fear that I may create a bad ________by arriving late for the interview.
A.
information
B.
expression
C.
impression
D.
description
【单选题】如图所示,玻璃圆环 a 和金属圆环 b 都由丝线悬吊着,它们的几何轴线重合并且相互靠得较近,现将一条形磁棒的 S 极沿轴线靠近玻璃圆环 a ,则[ ]
A.
两环都向右移并互相靠近
B.
两环都向右移并互相分开
C.
a 环不动， b 环左移
D.
a 环不动， b 环右移
【单选题】Upon arriving home, I was surprised to find the paper I had had _____ was missing.
A.
to be prepared
B.
to prepare
C.
preparing
D.
prepared
【单选题】______ arriving at the spot, the policemen at once helped the passengers to safety.
A.
At
B.
On
C.
The moment
D.
As
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