【计算题】随机抽取9个城市肺癌死亡率（1/10万）进行调查,并对大气中PM2.5浓度（μg/100m3）进行监测,数据如表1所示。试对肺癌死亡率与大气中PM2.5浓度作相关分析。 表1 9个城市肺癌死亡率和PM2.5浓度 编号 肺癌死亡率 PM2.5浓度 1 15.3 0.52 2 18.5 1.06 3 16.7 0.82 4 11.1 0.07 5 14.1 0.37 6 17.1 0.71

【单选题】

A、a＞b＞c＞d

B、b＞a＞c＞d

C、a＞c＞d＞b

D、c＞b＞a＞d

【名词解释】《透明的红萝卜》

【名词解释】质色石(质地色彩石)

【填空题】系统( )误差系数Kv=。

【单选题】

A、

B、

C、

D、都正确

【名词解释】2． 必需氨基酸（essential amino acid）

【填空题】Lesson 15 Listening Comprehension-2 Listen and Fill in the blanks with what you have heard On the benefits of ADSB The world aviation continues to evolve towards 1 to improve safety, communication, surveillance and navigation by extending the protection of 1090 megahertz frequency to satellites. Significant 2 can be made that will have an immediate impact as early as in 2017. since 1940s, radar has been the primary method to 3 and it remains so until today. In recent years ADSB has become a widely accepted 4 providing critical information to stakeholders. Current systems are limited to land-based areas leaving 70% of the world uncovered, creating 5 routing over much of the world’s airspace. These global blind spots will soon be disappear in 2017. ADSB receivers on satellites will 6 from all ADSB-equipped aircraft to ATC worldwide. This will provide near 7 of ADSB-equipped aircraft in any flight information region, including currently unsurveiled oceanic, polar, desert, and 8 Space-based ADSB will enable 9 , increase operational 10 for airlines, lower emissions, expand ATM efficiency and capacity and significantly enhance safety all with little 11

【计算题】练习5.1 转动与力矩.doc

【判断题】判断B向视图是否正确？

【填空题】纯迟延环节的( )特性为。