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【简答题】
两轴式变速器用于()的汽车,一般与驱动桥(前桥)合称为()
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【单选题】下列哪项是尿毒症患者最早出现的症状
A.
失眠、烦躁、定向力障碍
B.
厌食、恶心、呕吐
C.
高血压脑病症状
D.
乏力、呼吸深大
E.
少尿、无尿
【判断题】焊丝在焊接过程中的所起的主要作用是导电
A.
正确
B.
错误
【单选题】He has two children,______have become world-famous scientists.
A.
none of who
B.
all of whom
C.
both of whom
D.
one of which
【简答题】色彩的变化是创意本身得以深化或减弱;色彩可以帮助观者识别 ,理解 ,认识其 ,并留下深刻的印象和记忆
【单选题】用双硫腙比色法测定铅时用氰化钾,溶液 pH 必须控制在()
A.
4
B.
7
C.
9
D.
14
【单选题】下列哪项是尿毒症期患者出现的最早症状:
A.
失眠、烦躁、定向力障碍
B.
高血压脑病症状
C.
咳嗽、胸痛、呼吸困难
D.
乏力、嗜睡、呼吸深大
E.
厌食、恶心、呕吐、口腔有尿臭味
【单选题】下列哪项是尿毒症患者最早出现的症状
A.
1失眠、烦躁、定向力障碍
B.
2 厌食、恶心、呕吐
C.
3高血压脑病症状
D.
4乏力、呼吸深大
E.
5少尿、无尿
【单选题】The writers didn't answer the letter immediately because______.
A.
he had to prepare for a test
B.
he refused to answer it
C.
he couldn't read it
【单选题】He didn’t listen to the teacher carefully. , he couldn’t answer those questions.
A.
Even though
B.
Instead
C.
As a result
D.
In order to
【单选题】He ______ think he was wrong ______ I showed the answer to him. [     ]
A.
didn't; at all
B.
didn't; until
C.
won't; until
D.
not; until
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