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【单选题】
用普通分光光度法测得标准溶液的透光度为 20% ,试样溶液的透光度为 12% ;若以示差分光光度法测定,以标准溶液为参比,则试样溶液的透光度为
A.
40 %
B.
50 %
C.
60 %
D.
70 %
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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】These two cities are similar _________ they both have a high rainfall in June.
A.
to that
B.
except that
C.
besides that
D.
in that
【多选题】下列电话用语使用正确的是( )
A.
你好!
B.
请稍等一会儿。
C.
对不起,请您再说一遍。
D.
对不起,您能否将您的姓名和地址留给我?
【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】下面不属于电话礼貌用语的是()
A.
能留下你的联系方式吗?
B.
请您稍等一会儿
C.
什么?再说一遍!
D.
对不起,他现在不在这里,如果您有急事,我能否代为转告?
【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】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。
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