题目内容

若甲乙丙三人前、中、后站位，闭眼后随机从2蓝4白顶帽子中抽3顶戴在三人头上。丙先睁开眼睛，并根据甲乙带帽颜色情况推理自己的帽子颜色，并给出“知道”或者“不知道”的答案；乙在听到丙的答案后，睁眼观察甲帽子颜色，同样给出“知道”或者“不知道”的答案，问：甲在听到丙和乙的答案后，他的答案应该是？

A. 知道
B. 不知道

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Chinese towers and pavilions are different from ancient European buildings, outside of which there are no_________________.

A. courts
B. pools
C. corridors
D. gardens

Which forms do the Chinese try to reduce when they build towers so that the towers can overlook the vast land?

A. Horizontal form.
B. Vertical form.
C. Spacious form.
D. Infiltrating form.

Where do the Chinese usually build the pavilion and towers in the region south of the Yangtze River?

A. near the river.
B. near the lake.
C. near the city.
D. A, B and C.

Can you tell the main reason why the Chinese build towers besides beautification of the city?

A. for playing game.
B. for setting fireworks.
C. for military defense.
D. for traffic flow.