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【单选题】
A Brief to Singapore 1.Singapore is an independent city-state in southeastern Asia, consisting of one major island the Singapore Island—and more than 50 small islands, located off the southern tip of Malay. The city of Singapore, the capital of the country, is at the southeastern end of the Singapore Island; it is one of the most important port cities and commercial centers of Southeast Asia. The total area of the republic is 640 sq. km. 2.Low-lying Singapore Island has no outstanding relief(轮廓鲜明的) features. A central area of hills rises to the maximum height of 176 m. The country has a wet tropical climate, with an average annual temperature of 27.20℃. The average annual rainfall is 2,413 mm; the wettest months are November through January. 3.Singapore is governed under a constitution of 1959. A president, elected to a four-year term is head of state, and a prime minister is head of government. The president used to be selected by Parliament, but by a 1991 constitutional amendment(宪法修正案),the president is now elected directly by the people. The Parliament is the lawmaking body with its 81 members popularly elected. 4.In the late 1980s the country had some 290 primary schools with 278,300 pupils and 160 secondary schools with 200,200 students. The main institutions of higher education are the National University of Singapore, several technical colleges, and a teachers college. 5.Singapore has one of the highest standards of living of any country in Asia. In the late 1980s the gross domestic product(GDP) was estimated at $23.7 billion, or $8.870 per person. The fishing industry is centered on the port of During on southwestern Singapore Island. Industry has grown rapidly since the 1960s, and Singapore now produces a diversity(多样化的 ) of goods, including chemicals, electronic items, clothing, and processed foods, etc. Shipbuilding and petroleum refining are also important.
A.
Education
B.
Land and climate
C.
State system
D.
Natural resources
E.
Economy
F.
Population Paragraph 2______
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举一反三
【多选题】自动控制系统的数学模型包括( )
A.
微分方程
B.
拉氏变换
C.
传递函数
D.
动态结构图
【单选题】下列疾病不属于Ⅰ型变态反应的是
A.
支气管哮喘
B.
药物过敏性荨麻疹
C.
过敏性鼻炎
D.
过敏性休克
E.
血清病
【单选题】印最正宗的书写方式是使用()
A.
篆书
B.
隶书
C.
楷书
D.
草书
【单选题】属于Ⅰ型变态反应的是
A.
链球菌感染后肾小球肾炎、输血反应、血清病
B.
哮喘、过敏性休克、皮肤荨麻疹
C.
输血反应、皮肤荨麻疹、过敏性鼻炎
D.
移植排斥反应、枯草热、哮喘
E.
过敏性休克、过敏性鼻炎、结核菌素反应
【单选题】下列属于Ⅰ型变态反应的一组疾病是( )
A.
链球菌感染后肾小球肾炎、输血反应、血清病
B.
哮喘、过敏性休克、皮肤荨麻疹
C.
输血反应、皮肤荨麻疹、过敏性鼻炎
D.
移植排斥反应、枯草热、哮喘
E.
过敏性休克、过敏性鼻炎、结核菌反应
【单选题】防静电工作区的操作人员配带防静电腕带时,腕带接地系统电阻的大小应考虑到人身安全,一般应选择( )。
A.
106-108Ω
B.
105-107Ω
C.
104-106Ω
D.
103-105Ω
【单选题】过敏性鼻炎属于的变态反应是
A.
Ⅰ型变态反应
B.
Ⅱ型变态反应
C.
Ⅲ型变态反应
D.
Ⅳ型变态反应
E.
以上都有
【单选题】用8031单片机的定时器T1作定时方式,用模式1,则工作方式控制字为( )。
A.
01H
B.
05H
C.
10H
D.
50H
【单选题】防静电工作区的操作人员配带防静电腕带时,腕带接地系统电阻的大小应考虑到人身安全,一般取()。
A.
103-105Ω
B.
105-107Ω
C.
104-106Ω
D.
106-108Ω
【单选题】属于Ⅲ型过敏反应的疾病是
A.
花粉症
B.
新生儿溶血性贫血
C.
变态反应性鼻炎
D.
血清病
E.
肉芽肿
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