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【单选题】
下面情景中表述不得体的一项是( )某年夏,先生到他捐资修建的奋发希望学校调查慰问。在接待室,教师们热情地同先生说话。
A.
老师说:“欢迎您的到来,听说您今天来,我兴奋得好几晚没睡好觉。”
B.
老师说:“我代表这里的学生和他们的家长感谢您呀!”
C.
张老师说:“,您再多捐点资金给我们学校,让我们再多修一幢教学楼就更好了!”
D.
老师说:“欢迎您常到我们这个地方来看看呀!”
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【单选题】PH值可用来表示水溶液的酸碱度,PH值越大,( )。
A.
酸性越强
B.
碱性越强;
C.
碱性越弱
D.
不一定
【多选题】After a busy week, Jim, an American, was looking forward to spending Saturday reading and relaxing by himself. He had been very busy at work during the week and had worked overtime. Saturday came and ...
A.
Jim probably had mixed feelings when he saw Magid. He was happy to see him, but felt disappointed that he couldn't spend the time alone.
B.
Jim was a little bit upset by the sudden dropping by of Magid.
C.
Jim was so happy to see Magid that he forgot about wanting to spend the day by himself.
【简答题】You will also hear the underlined words in the interviews. Study the sentences. Then write the letter of the correct definition next to each sentence. ( )1. Everyone said the old house was haunte...
【简答题】The man in the story was by no means a te rri ble or a male ch a uvi ni st . In fact, he was co n sider e d because he shared t h e housewo rk . He was probably also considered quite on problems.
【单选题】pH 可用来表示水溶液的酸碱度,pH值越大,( )。
A.
碱性越强
B.
酸性越强
C.
碱性越弱
【简答题】根据中文或首字母写出单词,使句子完整准确。 小题1:What he said was already (记录) by the police. 小题2:Congratulations! You’ve answered all the questions (正确地). 小题3:Mr. Wu received a present from his friend, but he didn’t a_____...
【单选题】pH值可用来表示水溶液的酸碱度,pH值越大,()。
A.
酸性越强
B.
碱性越强
C.
碱性越弱
D.
不一定
【简答题】You the audit senior for the audit of Hawk Co. Hawk manufacture kites which it sells via its website directly to customers. Hawk has a year-end of 31 December and you are currently planning the audit....
【简答题】快速以太网的主要产品是()
【简答题】酸碱性强弱的表示。在一定量的水溶液中,H + 浓度越大,酸性 越 ;OH - 浓度越大,碱性 越 。化学上常用 pH 表示溶液酸碱性的强弱程度。 (1)pH 的数值通常在 之间。 (2) 常温下溶液的酸碱性强弱与pH的关系如图所示: 1pH=7,溶液呈 ; 2pH7,溶液呈 ,pH越大,碱性 越 。
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