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【单选题】
原发性肺结核基本病变表现为()
A.
渗出、坏死与纤维化
B.
渗出、增殖与纤维化
C.
纤维化、增殖与坏死
D.
渗出、增殖与坏死
E.
渗出、纤维化与坏死
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【简答题】某制糖厂以甘蔗为原料制糖,同时得到大量的甘蔗渣,对甘蔗渣进行综合利用,不仅可以提高经济效益,而且还能防止环境污染。此厂对产生的大量甘蔗渣按下图所示转化进行综合利用。其中B是A水解的最终产物;C的化学式为C 3 H 6 O 3 ,一定条件下2个C分子间脱去2个水分子可生成一种六元环状化合物;D可使溴水褪色;H的三聚合物I也是一种六元环状化合物。(图中部分反应条件及产物没有列出) (1)写出下列物质的...
【简答题】According to the passage, what do the enclosures of the 17th and 18th centuries mean?
【单选题】What is becoming essential in the course of economic globalization according to the author?
A.
Hiring qualified technical and management personnel.
B.
Increasing understanding of people of other cultures.
C.
Constantly updating knowledge and equipment.
D.
Expanding domestic and international markets.
【单选题】According to the professor, what was the major change in the agriculture during the 19th century?
A.
Crop production became increasingly specialized.
B.
Economic depressions lowered the prices of farm products.
C.
New banking laws made it easy to buy farmland.
D.
The United States increased its agricultural imports.
【判断题】塑料中加入填充剂(又称填料)的目的仅仅是为了降低成本。
A.
正确
B.
错误
【单选题】《电子商务法》自何时开始施行
A.
2018年1月1日
B.
2019年1月1日
C.
2020年1月1日
D.
2018年8月31日
【单选题】输精管道中不是成对器官的为
A.
尿道。
B.
附睾。
C.
输精管。
D.
管。
【简答题】输精管道中不是成对器官的为 ( )
【单选题】According to the 4th paragraph, what interests the author is that some politicians fail to ______.
A.
perceive the value of humor.
B.
gain a correct sense of values.
C.
distinguish comedy from tragedy.
D.
realize ers of hypocrisy.
【单选题】What was the population of London at the beginning of the 19th century according to the conversation?
A.
More than a million.
B.
More than eight million.
C.
Less than eight million.
D.
Less than a million.
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