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搜题
【单选题】
氨氮以游离氨或铵盐形式存在于水中,两者的组成之比取决于水的( )和水温。
A.
还原性物质
B.
氧化性物质
C.
pH值
D.
溶解氧含量
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【单选题】同客人讲话时,应面带笑容,语调亲切,注意距离,且音量要 ( ) 。 A 、高于客人 B 、低于客人 C 、大声喧哗 D 、切切私语
A.
1
B.
2
C.
3
D.
4
【判断题】砖砌体接槎时必须将接槎处的表面清理干净,浇水湿润,填实砂浆并保持灰缝平直。( )
A.
正确
B.
错误
【判断题】合龙温度选择。一般宜在低温合龙,遇夏季应在晚上合龙。
A.
正确
B.
错误
【简答题】新视野U1-3 请在空格里填True 或者False。(注意开头字母大写) 1. She is learning to drive at the moment. A. True. B. False. 2. She is learning to play golf because she wants to play with her friends. A. True. B. False. 3. Sh...
【简答题】合龙温度选择。一般宜在()合龙,遇夏季应在()合龙。
【简答题】She is learning to play golf because she wants to play with her friends. True or not? Why? 2. She is learning to speak French at the moment. True or not? Why? 3. She is learning driving at the moment,...
【单选题】At the moment quite a lot of IT companies are losing money, but they __________, hoping that the industry will in time improve.
A.
hang up
B.
hang off
C.
hang in
D.
hang on
【多选题】GQPS-793 业务评估方法的种类和内容有( )。
A.
业务日志法
B.
听取日志法
C.
清单法
D.
会见、面谈法
E.
听取培训师上司的意见
【简答题】At the moment quite a lot of IT companies are losing money, but they __________, hoping that the industry will in time improve. (hang)
【判断题】She is learning yoga at the moment. And she finds it quite easy.
A.
正确
B.
错误
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