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【判断题】
水情要素是用以表达河流水文情势变化的主要尺度。它包括水位、流速、流量等。因此充分掌握水情要素资料,是研究河流水文的重要基础。 正常年径流量反映了河流某断面多年平均来水情况,是水资源可能被利用的最大限度,因而在水利工程的设计和水文计算中是很重要的资料.资料掌握的程度不同,推求正常年径流量的方法也不同。 1.资料充分时正常年径流量的推求以算术平均法计算.(>30年) 2.资料不足时正常年径流量的推求以相关分析法计算.(<20年) 3.缺乏实测径流资料时正常年径流量的推求以等值线图法、水文比拟法间接途径计算。
A.
正确
B.
错误
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【单选题】听力原文： (32)The 'American dream' is an idea that grew from TV programs, books, and stories about family life. The idea began in the 1950s, after, World War Ⅱ. What was the 'dream'? As the first step,(33...
A.
Dreams about a comfortable little home.
B.
Dreams about becoming an American citizen.
C.
Dreams about family life.
D.
Dreams about books and stories.
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【单选题】配制 I 2 标准溶液时,通常是将 I 2 溶解在( )
A.
水
B.
KI 溶液
C.
HCl 溶液
D.
KOH 溶液
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【简答题】小组作业:请各组组长提交的PPT,其中有一页PPT需要包括所有成员的信息,如姓名、年级专业、学号。截止时间:6月20日。
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【单选题】Scobie thoroughly enjoyed his present life and ______.
A.
told many exciting and true stories about his past.
B.
told many stories about his past that the author did not believe.
C.
was the hero in stories told on many different continents.
D.
refused to talk about his parents, his early life or his adventures.
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【单选题】The Three Laws of Robotics mentioned in this passage only exited in a book of short stories.
A.
Y
B.
N
C.
NG
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【单选题】The author of The Great Gatsby is______, who is best known for his novels and short stories.
A.
Ernest Hemingway
B.
Sinclair Lewis
C.
F. Scott Fitzgerald
D.
Jack London
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【简答题】CuSO 4 溶液是中学化学及工农业生产中常见的一种试剂． （1）某同学配制CuSO 4 溶液时，需加入一定量的硫酸溶液，用离子方程式说明其原因是______． （2）该同学利用制得的CuSO 4 溶液，进行以下实验探究． ①图一是根据反应Zn+CuSO 4 =Cu+ZnSO 4 设计成的锌铜原电池．电解质溶液甲是______（填“ZnSO 4 ”或“CuSO 4 ”）溶液；Cu极的电极反应式是_...
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【单选题】What is the author's purpose in writing this article?
A.
To entertain the reader with stories about chimpanzees.
B.
To inform. the reader of the importance of wildlife conservation.
C.
To warn the reader about the challenges of working in Africa.
D.
To describe the work and life of Jane Goodall.
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【单选题】The author's mention of broomsticks and telephones is to suggest that______.
A.
fairy stories are still being made up
B.
there is confusion about different kinds of truth
C.
people try to modernize old fairy stories
D.
there is more concern for children's fears nowadays
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【多选题】没药应具有的性状特征为
A.
呈不规则颗粒状或黏结成团块
B.
表面红棕色或黄棕色,被粉尘
C.
破碎面颗粒状,带棕色油样光泽
D.
味苦、微辛,口嚼粘牙
E.
与水共研,形成白色乳状液
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相关题目：
【单选题】听力原文： (32)The 'American dream' is an idea that grew from TV programs, books, and stories about family life. The idea began in the 1950s, after, World War Ⅱ. What was the 'dream'? As the first step,(33...
A.
Dreams about a comfortable little home.
B.
Dreams about becoming an American citizen.
C.
Dreams about family life.
D.
Dreams about books and stories.
查看完整题目与答案
【单选题】配制 I 2 标准溶液时,通常是将 I 2 溶解在( )
A.
水
B.
KI 溶液
C.
HCl 溶液
D.
KOH 溶液
查看完整题目与答案
【简答题】小组作业:请各组组长提交的PPT,其中有一页PPT需要包括所有成员的信息,如姓名、年级专业、学号。截止时间:6月20日。
查看完整题目与答案
【单选题】Scobie thoroughly enjoyed his present life and ______.
A.
told many exciting and true stories about his past.
B.
told many stories about his past that the author did not believe.
C.
was the hero in stories told on many different continents.
D.
refused to talk about his parents, his early life or his adventures.
查看完整题目与答案
【单选题】The Three Laws of Robotics mentioned in this passage only exited in a book of short stories.
A.
Y
B.
N
C.
NG
查看完整题目与答案
【单选题】The author of The Great Gatsby is______, who is best known for his novels and short stories.
A.
Ernest Hemingway
B.
Sinclair Lewis
C.
F. Scott Fitzgerald
D.
Jack London
查看完整题目与答案
【简答题】CuSO 4 溶液是中学化学及工农业生产中常见的一种试剂． （1）某同学配制CuSO 4 溶液时，需加入一定量的硫酸溶液，用离子方程式说明其原因是______． （2）该同学利用制得的CuSO 4 溶液，进行以下实验探究． ①图一是根据反应Zn+CuSO 4 =Cu+ZnSO 4 设计成的锌铜原电池．电解质溶液甲是______（填“ZnSO 4 ”或“CuSO 4 ”）溶液；Cu极的电极反应式是_...
查看完整题目与答案
【单选题】What is the author's purpose in writing this article?
A.
To entertain the reader with stories about chimpanzees.
B.
To inform. the reader of the importance of wildlife conservation.
C.
To warn the reader about the challenges of working in Africa.
D.
To describe the work and life of Jane Goodall.
查看完整题目与答案
【单选题】The author's mention of broomsticks and telephones is to suggest that______.
A.
fairy stories are still being made up
B.
there is confusion about different kinds of truth
C.
people try to modernize old fairy stories
D.
there is more concern for children's fears nowadays
查看完整题目与答案
【多选题】没药应具有的性状特征为
A.
呈不规则颗粒状或黏结成团块
B.
表面红棕色或黄棕色,被粉尘
C.
破碎面颗粒状,带棕色油样光泽
D.
味苦、微辛,口嚼粘牙
E.
与水共研,形成白色乳状液
查看完整题目与答案