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【单选题】
读取滴定管读数时,正确的操作是()。A.
在常量分析中，滴定管读数必须读取小数点后第四位
B.
在读数时应使滴定管保持垂直
C.
读取弯月面下缘最低点并使视线与该点在一个水平面上
D.
滴定完，不要检查，直接读数
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反馈参考答案：
举一反三
【单选题】According to the dialogue, how does the patient go to the bathroom?
A.
He has to use the bedpan, and ring for the nurse when he needs to go.
B.
He can go to the bathroom by himself.
C.
He can go to the bathroom with the help of the nurse.
D.
He can go to the bathroom with the help of his family members.
【单选题】Where is the bathroom?
A.
It's my bathroom.
B.
This is the bathroom.
C.
My name is Jack.
【简答题】It is ______ that attract vent life.
【单选题】下面的选项中,有哪一项不是有偿新闻的表现?
A.
参加被采访单位安排的在夜总会的娱乐活动
B.
接受劳务费、误餐费等形式的有价证券
C.
以新闻为诱饵换取广告或赞助
D.
接受被采访单位发的小纪念品明信片
【简答题】[ɪ'vent]
【简答题】装饰石材施工过程中常用施工工具有?
【简答题】vent
【单选题】Air is released from the unit by a vent. 02010277
A.
Air is related to the vent.
B.
There is a belt on the unit .
C.
The unit can't work without air .
D.
Through the vent，the air is released.
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