皮皮学，免费搜题
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搜题
【单选题】
关于噪声的描述，错误的是A.
病区应避免噪声，保持安静
B.
区较理想的声音强度应维持在40～50dB
C.
声音强度达到50～60dB，患者可感到疲倦不安
D.
长时间暴露在90dB以上环节可导致疲倦、焦躁、头痛、头晕
E.
当声音强度达到或超过120dB时可造成听力丧失或永久性失聪
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参考解析：
知识点：
皮皮学刷刷变学霸
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【多选题】会计职业道德规范可以通过思想教育、社会舆论、会计职业习惯、会计榜样感化等手段，使会计人员从内心形成()，自觉以一定会计职业道德原则来规范约束自身行为，因而它是一种内在的自我约束方式，它要求会计人员所达到的精神境界远远高于法律规范要求。
A.
职业道德情感
B.
信念
C.
理想
D.
是非善恶标准
【单选题】对细菌的酶类试验下列描述中不正确的是
A.
尿素酶试验主要用于肠道杆菌科中变形杆菌属的鉴定
B.
过氧化氢酶（触酶）试验常用于革兰阳性球菌的初步分群
C.
硝酸盐还原试验主要用于厌氧菌的鉴别
D.
DNA酶试验可用于金黄色葡萄球菌、沙雷菌和变形杆菌的鉴定，三者均为阳性
E.
凝固酶试验主要用于葡萄球菌的鉴别
【简答题】Tom has just had an __________ (operate).
【单选题】—Has Mr.Tom White arrived ? ---- Yes ,already . ______he wait outside or just come in ?
A.
Shall
B.
May
C.
Could
D.
Must
【单选题】听力原文：Could you please turn down the radio? I can't focus on my study. (A) Down the hall and to your right. (B) The radio will be helpful for your study. (C) Sorry, I'll do that right now. (36)
A.
B.
【简答题】情景交际。 (Tom has just come from school. He is talking to his mother.) Tom: Can I go out and play now? Mother: If you have finished your homework. Tom: 1._____ Mother: Oh no! Just sit down and finish it ...
【单选题】Just because Tom has made some mistakes, _____you follow that he is a bad boy?
A.
must
B.
can
C.
should
D.
would
【单选题】-------I heard that Tom failed in the driving test again . ------Just his luck ,_____
A.
He has to face the fatted calf
B.
He has to face the music
C.
He must be the apple of his parents' eye
D.
He must be a black sheep
【单选题】Tom has just finished writing a _________ article.
A.
nine-hundred-words
B.
nine-hundreds-word
C.
nine-hundred-word
D.
nine-hundreds-words
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