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【单选题】
51单片机串行口采用的电平是()
A.
TTL电平
B.
RS232C电平
C.
RS422电平
D.
RS485电平
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【判断题】古典怀疑论倡导一种宁静的生活。()
A.
正确
B.
错误
【单选题】The shark's best sense is smell because ______.
A.
most of its brain is used for this purpose
B.
it is colour blind
C.
it can smell blood from a quarter of a mile away
D.
it can only see up to fifty feet
【单选题】What does the old Chinese saying ”Calligraphy is a mirror to a person’s character.” mean?
A.
Calligraphy is very important in ancient China.
B.
Calligraphy is important to every person.
C.
Calligraphy can reflect the character of a person.
【单选题】What is NOT true about Huizong’s calligraphy?
A.
Slanting strokes are sharp.
B.
Stretched out.
C.
Horizontal strokes ended with hooks.
【单选题】Which type of calligraphy is characterized by “silkworm’s head and swallow’s tail”?
A.
T he C ursive S cript.
B.
T he S eal S cript.
C.
T he O fficial S cript.
D.
T he R egular S cript.
【单选题】青青听妈妈说,“看那小姑娘长得多甜!”青青问:“妈妈,你舔过她吗?”这主要反映青青( )。
A.
思维的表面性
B.
思维的拟人性
C.
思维的纯洁性
D.
思维的片面性
【单选题】Calligraphy's purpose is to retain the beauty of nature and illuminate man's _______ beauty. Chinese calligraphy stresses the overall layout and harmony between words and lines.
A.
spiritual
B.
outside
【单选题】当固定电话用户外出,却有电话呼入时,交换机自动送出语音提示“被叫不在,请稍后再拨”是指的下面哪项业务?()
A.
免打扰服务
B.
呼叫等待
C.
缺席服务
D.
遇忙回叫
【简答题】请陈述光电效应、康普顿效应在诊断X射线中应用的利弊。
【简答题】青青听妈妈说,“看那小姑娘长得多甜!”青青问:“妈妈,你舔过她吗?”这主要反映青青( )。A. 思维的表面性 B. 思维的拟人性 C. 思维的纯洁性 D. 思维的片面性
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