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【单选题】
技术矛盾是指( )。A.
改进系统的一个参数却导致另一个参数恶化，是同一系统中不同参数产生的矛盾
B.
一种作用同时导致有害和无害两种结果
C.
系统中多个参数之间的矛盾
D.
发明过程中产生的矛盾
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【简答题】What does STEM refer to? S refers to _________, T refers to __________, E refers to _________, and M refers to _______ .
【单选题】患者,男性,68岁,因进行性吞咽困难1个月入院,人院后被诊断为“会管癌”,术前医生要求护士为患者灌肠以清洁肠道。 57.肛管插人直肠的深度为
A.
7~10cm
B.
10~15cm
C.
15~18cm
D.
18~20cm
E.
20~25cm
【简答题】In the second paragraph, 'Maybe he doesn't see it himself, 'the pronoun 'it 'refers to______. A) being friendly B) a hit of envy C) lucky dog D) your luck
【简答题】The underlined word“it”in the second paragraph refers to the idea that Computer town＿＿＿
【单选题】In the sentence' Maybe he doesn' t see it himself' in paragraph 2, the pronoun 'it' refers to ______.
A.
being friendly
B.
a bit of envy
C.
lucky dog
D.
your luck.
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