问题 单项选择题

2011年一季度我国国民经济保持平稳较快增长。一季度国内生产总值96311亿元,按可比价格计算,同比增长9.7%。分产业看,第一产业增加值5980亿元,增长3.5%;第二产业增加值46788亿元,增长11.1%;第三产业增加值43543亿元,增长9.1%。从环比看,一季度国内生产总值增长2.1%。工业生产平稳增长,企业效益继续增加。

2011年一季度主要工业产品产量
主要工业产品产量 3月 1-3月
绝对量 同比增长(%) 绝对量 同比增长(%)
天然原油(万吨) 1757 4.2 5136 6.7
生铁(万吨) 5475 5.6 15866 7.0
粗钢(万吨) 5942 9.0 16991 8.7
钢材(万吨) 7602 13.7 20804 13.7
水泥(万吨) 16456 29.8 36985 18.1
汽车(万辆) 192 9.9 507 10.3
其中:轿车(万辆) 99 7.9 266 9.8

下列说法与资料相符的有几个
Ⅰ.2011年3月主要工业产品产量与去年同期相比均有所增长
Ⅱ.2010年3月粗钢的产量超过生铁的产量
Ⅲ.2010年一季度轿车的产量占汽车产量的60%以上

A.0

B.1

C.2

D.3

答案

参考答案:C

解析: Ⅰ,由表格数据可知2011年3月主要工业产品产量与去年同期相比均有所增长,正确;
Ⅱ.2010年3月粗钢产量为[*]万吨,生铁产量为[*]万吨,粗钢的产量超过生铁的产量,正确;
Ⅲ.2010年一季度轿车的产量占汽车产量的[*]0.532+0.532×0.005<60%,错误。
综上,有2个说法符合资料,应选择C。

单项选择题
单项选择题

Questions 81-90 are based on the following passage.


It sounds like a science fiction, but researchers say it’s a scientific fact: Microscopic organisms dubbed "killer algae" are paralyzing fish with unknown toxins and then eating away at their flesh. They might be making people sick, too.
The name given to this single-cell organism, or dinoflagellate, is Pfiesteria piscimorte- literally, "fish killer. " It was discovered at North Carolina State University in 1988, but at the same time, few scientists believed in its existence, much less in its highly unusual predatory nature. But ongoing research has led to international acknowledgment of the phenomenon and, recently, research funding.
Seemingly prompted by an unknown substance secreted by fish, the aggressive creature swims into action. It sends neurotoxins into the water and air, paralyzing a fish’s nervous system, and causing it to gasp for air at the surface. Eventually the fish suffocates. The killer dinoflagellate then attaches itself to the fish and begins sucking away at its flesh. This macabre scenario may help solve several sea mysteries, such as why fishermen report seeing "fish walks" (fish trying to leave the water) and pools of dead fish with holes eaten through them.
Whether humans are affected by the dinoflagellate’s toxin remains to be seen. Researchers think it’s unlikely eating fresh fish are in danger, but anyone with frequent exposure to the creature could be in peril. Several researchers working with the algae have reported bouts of memory loss and disorientation.
To understand the killer algae further, scientists must fully characterize their toxin and determine what stimulates them to attack. They also need to know if the algae are hurting fish populations, and whether pollutants make them more likely to attack.

Which of the following does the writer explain

A. Neurotoxins.


B. Microscopic organisms.
C. Predators.


D. Fish walks.