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【单选题】
NaCl是从海水中提取出来的一种重要物质，除可食用外，它还是一种工业原料。下列产品（或物质）的生产中以NaCl 为原料的是 [ ] ①烧碱②纯碱③金属钠④氯气⑤盐酸A.
全部
B.
只有①②③④
C.
只有①②③⑤
D.
只有①②④⑤
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【简答题】What is the climax of the story? 2. Does the plot develop in the normal chronological order? Could you make an outline of the narrative structure of this story? 3. What is the theme of the story ? Wha...
【简答题】What is the usual word order in English sentences? What are the nine types of inversion in English sentences?
【单选题】Li Ming went to London last year, which was the first time that he _____ abroad. [ ]
A.
had travelled
B.
travelled
C.
was travelling
D.
would travel
【简答题】In China, what is the difference in the order of Arabic numbers for expressing the day, the month and the year? Can the difference cause misunderstanding or trouble?
【单选题】Around 1500s , several most historically remarkable events happend on the other side of the world: In 1453, Constantinople, the capital of the Byzantine Empire, was captured by the Muslim army of Otto...
A.
Song
B.
Yuan
C.
Ming
D.
Qing
【单选题】下列关于球状上颌囊肿的描述，错误的是
A.
囊肿位于上颌恒侧切牙和尖牙之间
B.
邻近牙齿为活髓牙
C.
X线呈边界清楚的倒置的梨形放射透光区
D.
有时可见含有未萌出牙的牙冠
E.
组织学上可能是牙源性囊肿
【单选题】关于上颌第一磨牙的描述错误的是:
A.
两颊尖之间有颊沟
B.
两舌尖之间有舌沟
C.
近中舌尖与远中颊尖三角嵴相连成斜嵴
D.
近中舌尖为最主要的功能尖
E.
中央窝为近中窝
【单选题】9岁，女孩，5天前突然右髋疼痛，并有高热。体温39.5℃，脉搏110次／分，白细胞22×10/L。中性粒细胞98%，血沉30mm/第一小时末。右髋关节肿胀，不敢活动，主要考虑（）
A.
急性化脓性关节炎
B.
急性风湿性关节炎
C.
类风湿性关节炎
D.
髋周软组织炎
E.
髋关节结核
【单选题】Which was the first country to give all women the right to vote in public elections? Was it...
A.
Finland
B.
New Zealand
C.
The US
【简答题】During the ______Period, there was a compass called sinan, which was the first one in the world.
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