人民网载文指出，要坚持和完善民族区域自治制度，全面贯彻落实民族区域自治法，民族区域自治制度是一项 [ ]
A．基本制度
B．根本政治制度
C．基本政治制度
D．基本经济制度
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| 阅读理解。 |
| Leaves are nature's food factories. Plants take water from the ground through their roots. They take a gas called carbon dioxide (CO2) from the air. Plants use sunlight to turn water and CO2 into glucose. Glucose is a kind of sugar. Plants are glucose as food for energy to grow. The way plants turn water and CO2 into glucose is called photosynthesis. That means "putting together with light". A chemical called chlorophyll helps make photosynthesis happen. Chlorophyll is green. It gives plants their green colour. As summer ends and autumn comes, the days get shorter and shorter. This is how the trees "know" to begin getting ready for winter. During winter, there is now enough light or water for photosynthesis. The trees will rest, and live on the food they have stored during the summer. They begin to close their food-making factories. The green chlorophyll disappears from the leaves. Then, we begin to see yellow and orange colours. A few of these colors stay in the leaves all the time. We just can't see them in the summer, because they are covered up by the green chlorophyll. Red and purple colors we see in leaves are made mostly in the autumn. In some trees, like maples (枫树), glucose is stored in the leaves after photosynthesis stops. Sunlight and the cool nights of autumn turn this glucose into red. The brown color of trees like oaks (橡树) is made from wastes left in the leaves. |
| 1. The word "chlorophyll" in the first paragraph means ____ in Chinese. |
| A. 叶绿素 B. 氧气 C. 胡萝卜素 D. 蛋白质 |
| 2. Where is carbon dioxide from? |
| A. Ground. B. Roots. C. Sunlight. D. Air. |
| 3. The way ______ is called photosynthesis. |
| A. plants get carbon dioxide from the air B. plants take water from the ground C. plants turn water and carbon dioxide into glucose D. plants use glucose as food for energy to grow |
| 4. Red and purple colors in leaves are made mostly in ______. |
| A. spring B. autumn C. summer D. winter |
| 5. ______ in the leaves changes into red color in autumn. |
| A. Sunlight B. Water C. Glucose D. Chlorophyll |
影响城镇体系发展的非物质性因素有( )。
A．所处区域的自然地理条件、交通和人口分布
B．区域的文化、社会状况
C．区域工业和农业的发展
D．区域基础设施条件
E．区域中执行相关政策
身热，腹满便秘，口干唇裂，舌苔焦躁，脉象沉细，治宜
A．小承气汤
B．增液承气汤
C．调胃承气汤
D．新加黄龙汤
E．牛黄承气汤
ICMP有13种报文，常用的ping命令中使用下列哪种报文，以探测目标主机是否可以到达
A．回送请求/应答
B．信息请求/应答
C．地址掩码请求/响应
D．时间戳请求/响应
房屋面积测算的一般规定，主要有以下几项：( )，以及边长(m)面积(m2)均取至小数点以后两位。
A．房屋面积测算是指水平投影面积测算
B．房屋面积测量的精度必须达到《房产测量规范》规定的房产面积的精度要求
C．房屋面积测算必须独立测算两次
D．量具应使用经检定合格的测量仪器和工具
E．此项规定不适宜用于土地面积的测量