8.经过一段时间的教育分权制,美国政府认识到中央设立教育领导机构的必要性,为此设立了:
A. 州教育委员会
B. 教育署
C. 文部省
D. 学术型大学
查看答案
What were the managers at the airport in India getting tired of ?
A. Thinking about different ways to save energy.
B. Adding plates to the roof of the airport building.
C. Paying a lot of money for electricity every month.
D. Trying to use energy from the sun’s light and heat.
What was their big decision to save more money on electricity?
A. To hire a company to manage the huge airport.
B. To cut down their investment in an energy system.
C. To put fewer plates on the top of the airport building.
D. To use a huge area nearby to absorb the sun’s energy.
艾滋病是一种由人免疫缺陷病毒（）引起的传染病。简称AIDS，中文名称为“获得性免疫缺陷综合症” 。
A. HIV
B. HPV
C. HEV
D. HVI
艾滋病的传播途径主要是（）、血液传播和母婴传播。
A. 空气传播
B. 性传播
C. 水源传播
D. 细菌传播
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