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【单选题】
American Museum of Natural History is one of the largest natural and historic museums in the world and one of the main natural history research and education centres in the United States, set up in 1869 and located in the west of the Central Park, Manhattan District, New York. It【1】7 hectares in its total area,【2】classical types of buildings. The【3】of ancient creatures and humanity is【4】the first place of all the museums in the world,【5】the representative samples from South America, Africa, Europe, Asia and Australia were collected, besides those from the【6】country, the United States. In the museum, there are five kinds of exhibits, including astronomy, mineralogy, human history, and animals in the【7】times and those in modern times. There are thirty-eight exhibition halls with different【8】from 500 to 1,500 square metres. Besides these, there is a Roosevelt Memorial Hall in【9】of President Roosevelt who supported the【10】of the museum, which is also used to have a special exhibition, showing the new important【11】on natural sciences and【12】affairs and social problems, and special topics connected closely with the life of the citizens. Besides this, it is also used for avocation【13】to have all kinds of scientific activities in the laboratories, centres of natural science and centres for citizens. There are more than 10【14】research departments mainly 【15】 for collection of samples, research and work of publication. In the museum, there are【16】 and sub-libraries of Aulspond ancient amniote, with about 300 thousand books and magazines【17】natural history, many of 【18】 are very valuable monographs for the first edition. It has published many expert books and magazines, and a large number of propaganda materials,【19】which are the two magazines, Natural History and Members of Museum that have the biggest【20】of their magazines. (1)
A.
explores
B.
demonstrates
C.
expands
D.
covers
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【多选题】正弦波调制的基本方式包括( )
A.
幅度调制
B.
频率调制
C.
相位调制
【单选题】《西厢记》中老夫人对红娘严刑逼供的戏份叫什么()。
A.
“打红”
B.
“烤红”
C.
“逼红”
D.
“怨红”
【判断题】荷包牡丹 因为叶形似牡丹的叶片,花形似荷包而得名( ).
A.
正确
B.
错误
【简答题】花又称为叶牡丹,叶色鲜艳美丽,耐寒性强,是著名的冬季露地草本花卉。
【单选题】判别分析中,当不同类的数据的离散程度不同时,一般建议使用怎样的距离
A.
F-范数作为距离
B.
L1-范数作为距离
C.
马氏距离
D.
距离选择没什么影响
【单选题】牡丹品种的叶难为( )
A.
掌状复叶
B.
羽状复叶
C.
二回三出复叶
D.
三出复叶
【判断题】保险监管的总体目标就是通过对保险的监管 ( )
A.
正确
B.
错误
【单选题】牡丹品种的叶一般为()
A.
掌状复叶
B.
羽状复叶
C.
二回三出复叶
D.
三出复叶
【单选题】牡丹品种的叶难为( )
A.
掌状复叶
B.
羽状复叶
C.
二回三出复叶
D.
三出复叶
【单选题】氨基酸脱羧基的辅酶是()
A.
FAD
B.
生物素
C.
TPP
D.
磷酸吡哆胺
E.
磷酸吡哆醛
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