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【简答题】
如图1，小明将一张矩形纸片沿对角线剪开，得到两张三角形纸片（如图2），量得他们的斜边长为10cm，较小锐角为30°，再将这两张三角形纸片摆成如图3的形状，但点B、C、F、D在同一条直线上，且点C与点F重合（在图3至6中统一用F表示）。 小明在对这两张三角形纸片进行如下操作时遇到了三个问题，请你帮助解决： （1）将图3中的△ABF沿BD向右平移到图4的位置，使点B与点F重合，请你求出平移的距离； （2）将图3中的△ABF绕点F顺时针方向旋转30°到图5的位置，A 1 F交DE于点G，请你求出线段FG的长度； （3）将图3中的△ABF沿直线AF翻折到图6的位置，AB 1 交DE于点H，请证明：AH=DH。
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【单选题】Which statement is NOT true about the idea of switching time?
A.
U.S. adapted the idea five decades after it was thought out.
B.
Thanks to this idea, 1% of electricity was saved in 1970s.
C.
It may not be a good idea when various electronics are used.
D.
It is a good idea concerning diminishing energy used in lighting.
【简答题】解决当前中国发展中结构性的难题的一个重大举措：供给侧结构性改革。 A.正确 B.错误
【简答题】我国新课改课程体系的结构性突破是综合课程的出现。（ ）
【简答题】People whose languages distinguish the present and the future weakly form. the idea of the future in a similar way as of the present.
【简答题】论述当前学科课程和活动课程的大讨论。
【单选题】What was the idea behind the first Volvo car?
A.
The idea was to build cars that people could drive on Sweden's rough roads and during Sweden's severe winters.
B.
The idea was to produce more cars.
C.
The idea was to make shinny cars.
【单选题】The 'emancipating idea' in the last sentence of the first paragraph refers to the idea that ______ .
A.
man is master of his own fate
B.
men experienced the first idea
C.
history is made up of moments
D.
the first idea was flush and fresh
【单选题】The idea of risk aversion
A.
is at odds with the idea of insurance.
B.
help explain the profitability of insurance companies.
C.
has nothing to do with insurance companies.
D.
help explain the losses suffers by the insurance industry.
E.
help explain why insurance companies in the long run are zero profit companies.
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