“儿童发展规划”中规定禁止使用童工()和对儿童的经济剥削。A、未满16周岁 B、未满1

题型:单项选择题

问题:

“儿童发展规划”中规定禁止使用童工()和对儿童的经济剥削。

A、未满16周岁

B、未满18周岁

C、未满15周岁

考点:内蒙古知识竞赛内蒙古包头妇联知识竞赛内蒙古包头妇联知识竞赛题库
题型:单项选择题

Have you ever beard of Iceland? Iceland is a country, one-tenth of which is covered with ice. However, it is said that Iceland is the land of heat. Smoking volcanoes (火山), white steam (蒸汽) and hot springs are more amazing than the other sights including ice there.

It has taken millions of years for volcanoes and lava flows (熔岩流) to build Iceland. When hiking through one of Iceland’s many ancient lava fields, you may notice something strange. White steam is rising from each vent in front of you. Iceland is covered with vents which steam can pass out of. The steam comes from naturally heated rocks and hot water below the Earth’s surface (表面).

Like steam vents, hot springs can be seen here and there in the ancient lava fields. Blue Lake is the most famous hot spring in Iceland. It isn’t far from the capital city of the country. The water and white earth in it can make your skin as soft as a newborn baby’s skin. Enjoy that water, because it has traveled a long way. It starts nearly two kilometers under Blue Lake. There, water from the ocean continues moving up slowly into the spaces between hot rocks below the surface. And then the water is heated by hot rocks. Powerful machines and long pipes (水管) help bring the heated water to the surface. People in Iceland use natural hot water for hot springs. Besides, they use it to create electricity that can be used to heat homes and even greenhouses.

Iceland is one of the few places on the Earth where active volcanoes lie below ice. Heat from the volcanoes creates a strange and wild beauty. Therefore, some people believe that it’s better to call the country “Heatland” instead of Iceland. If you have a chance to travel there, take it.

根据短文内容选择最佳答案。

小题1:From the passage,          are the most amazing sights in Iceland.

A. smoking volcanoes and ice

B. smoking volcanoes, white steam and hot springs

C. heated rocks, hot springs and new lava fields

小题2:The underlined word “vent” in the passage means “      ” in Chinese.

A. 进入口              B. 回流口          C. 排放口

小题3:Picture         shows how Blue Lake is formed.

小题4:Which of the following is TRUE according to the passage?

A. Iceland was built millions of years ago.

B. People in Iceland use natural hot water for hot springs and creating electricity.

C. Iceland is the only country where active volcanoes lie below ice.

小题5:The best title for this passage should be       .

A. THE HISTORY OF ICELAND

B. THE HOT SPRING OF BLUE LAKE

C. THE HEAT IN ICELAND

题型:单项选择题

东海原甲藻(简称甲藻)是我国东海引发赤潮的藻种之一,研究甲藻光合作用的生理特性可为认识赤潮发生机理提供重要信息。

(一)某研究小组探究pH对甲藻光合作用的影响,设计了以下实验:将生长旺盛的甲藻等量分成5组培养,各组藻液pH分别定为6.0,7.0,8.0,9.0,10.0,在黑暗中放置12h,然后在适宜光照等相同条件下培养,随即多次测定各组氧气释放量并计算净光合速率。将实验结果绘制成图1。

(1)本实验除了通过测定氧气释放量,还可以通过测定___________(名称)吸收量来计算净光合速率。

(2)黑暗放置过程中,藻液pH会有所变化,因此在测定氧气释放量前,需多次将各组pH分别调到_______,这是控制实验的_________量。

(3)若甲藻生长繁殖时间处于pH10.0条件下,甲藻___________(填“能”或“不能”)正常生长繁殖,请据图分析并说明原因:_________。

(4)实验表明,甲藻光合作用适宜pH为6.0~9.0。但海水在该pH条件下,一般不会发生赤潮,原因是发生赤潮除了与pH、温度、光照强度等因素有关外,最主要还与海水的__________有关。

(5)研究小组进一步探究了温度对甲藻光合作用的影响。根据实验结果得出:甲藻生长繁殖的适宜温度为15~30℃。最适温度为20℃左右,当温度为9℃和33℃时,甲藻不能正常生长繁殖。请根据这些信息在图2中画出净光合速率随温度变化的示意曲线。

题型:单项选择题

海尔文化中的海尔哲学是()。

A.中正之道

B.以人为本

C.最大服务消费者

D.利润最大化

题型:单项选择题

SLE常见的死因有()

A.心力衰竭

B.肾衰竭

C.脑损害

D.各种继发性感染

E.上消化道出血

题型:单项选择题

石韦不具有的功效是

A.清肺

B.泄热

C.利尿

D.止咳

E.止血

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