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【判断题】
单糖都是多羟基醛或多羟基酮。 ( )A.
正确
B.
错误
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】The underlined word 'gorgeous' means ' _______ '．
A.
beautiful
B.
different
C.
important
D.
necessary
【单选题】The word 'it' means_________ in the sentence 'But not too much of it'．A．idea B．slee
A.
23． The word 'it' means_________ in the sentence 'But not too much of it'． A．idea
B.
sleep
C.
work
D.
study
【简答题】老年男性进行性排尿困难为（ ）。 查看材料
【单选题】The underlined word 'them' in the last paragraph refers to _________ ．A． oxygen mas
A.
23． The underlined word 'them' in the last paragraph refers to _________ ． A． oxygen masks
B.
doctors
C.
oxygen
D.
passengers
【单选题】Which of the following ways of word-formation doesn't change the grammatical class of the stems?
A.
Compound
B.
Inflection.
C.
Derivation.
D.
Coinage.
【简答题】男性，76岁，进行性排尿困难10余年，最近患肺炎后症状加重，出现排尿滴沥并伴有尿失禁
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