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【单选题】
一般来说,蒸汽轮机排出的乏汽处于什么状态 ?
A.
湿饱和蒸汽
B.
干饱和蒸汽
C.
过热蒸汽
D.
超临界状态
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参考答案:
举一反三
【单选题】The boss was accused of having a ______ against his female employees.
A.
reputation
B.
prejudice
C.
symptom
D.
profession
【判断题】According to Jakobson, conative function means language can persuade and influence others through commands and requests.
A.
正确
B.
错误
【单选题】The word 'cuddle' in Para.2 most probably means ______.
A.
persuade
B.
hold close and lovely
C.
threaten
D.
shout at
【单选题】Contaminated meat intake will also lead to inhalational which is accompanied by the symptoms of nausea, vomiting and fever.
A.
Y
B.
N
C.
NG
【判断题】To persuade means that you act like an advocator or partisan.
A.
正确
B.
错误
【单选题】Headaches Explained A headache is a symptom, not a disease. A headache is rarely the symptom of a serious illness, but severe or frequent headaches can be exhausting and can affect daily life. There a...
A.
Y
B.
N
C.
NG
【单选题】Persuade means:
A.
to get someone to do something
B.
to stop
C.
to leave
【单选题】以下混匀溶液的操作,正确的是 ___ ?
A.
用一只手的食指按住瓶塞,另一只手的手指托住瓶底,将容量瓶倒转,使瓶内气泡上升,如此反复 3 次即可
B.
用一只手的拇指按住瓶塞,另一只手的手掌握紧瓶底,将容量瓶倒转,使瓶内气泡上升,如此反复 10 次以上即可
C.
用一只手的拇指按住瓶塞,另一只手的手指托住瓶底,将容量瓶倒转,使瓶内气泡上升,如此反复 3 次以上即可
D.
用一只手的食指按住瓶塞,另一只手的手指托住瓶底,将容量瓶倒转,使瓶内气泡上升,如此反复 10 次以上即可
【多选题】取 10 ml 的 1.0 mol/L 氢氧化钠溶液,稀释至 100 ml 。以下关于容量瓶操作正确的是:
A.
容量瓶检漏、洗涤干净、原液润洗
B.
加蒸馏水稀释至容量瓶的 2/3 时,摇动容量瓶混匀
C.
接近容量瓶标线时,以滴管慢慢定容至刻度
D.
盖好盖子,上下翻动振摇液体
E.
贴上标签,清理实验台
【多选题】取 10 ml 的 1.0 mol/L 氯化钠溶液,稀释至 100 ml 。以下关于容量瓶操作正确的是:
A.
容量瓶检漏、洗涤干净、原液润洗;
B.
加蒸馏水稀释至容量瓶的 2/3 时,摇动容量瓶混匀;
C.
接近容量瓶标线时,以滴管慢慢定容至刻度;
D.
盖好盖子,上下翻动振摇液体;
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