一只电动比例温度调节器，温度刻度范围是50~100℃，电动调节器输出是0~10mA，当指示指针从70℃升到80℃时，调节器相应的输出电流从3mA变化到8mA，其比例度为（）。

A:20℃ B:5mA C:40% D:2.5

Ma

MA的特点是( )。

A:追踪趋势 B:超前性 C:跳跃性 D:排他性

C 　　Ma Lili’s parents are going to give a birthday party for her. She’s going to be fourteen years old. Ma Lili has a lot of friends. They are going to come to the party. They are girls from Ma Lili’s school. There are twentyfive of them. 　　Ma Lili’s mother is making birthday cakes for the party. They are very nice cakes. Ma Lili says to her mother:“Mum, you’re very nice. Thank you for your nice cakes.” Her father is going shopping. He buys a lot of apples, bananas, oranges and pears. 　　It’s four o’clock in the afternoon. Now everything is ready. The party begins in thirty minutes. Who is going to give Ma Lili a birthday party（ ）

A:Ma Lili B:Her friends. C:Her teacher. D:Her parents.

C Ma Lilis parents are going to give a birthday party for her. Shes going to be fourteen years old. Ma Lili has a lot of friends. They are going to come to the party. They are girls from Ma Lilis school. There are twentyfive of them. Ma Lilis mother is making birthday cakes for the party. They are very nice cakes. Ma Lili says to her mother:“Mum, youre very nice. Thank you for your nice cakes.” Her father is going shopping. He buys a lot of apples, bananas, oranges and pears. Its four oclock in the afternoon. Now everything is ready. The party begins in thirty minutes. Who is going to give Ma Lili a birthday party（）

A:Ma Lili. B:Her friends. C:Her teacher. D:Her parents.

C Ma Lili’s parents are going to give a biahday party for her．She’s going to be fourteen years old．Ma Lili has a lot of friends．They are going to come to the party．They are girls from Ma Lili’s school．There are twenty．five of them． Ma Lili’s mother is making birthday cake8 for the party．They are very nice cakes．Ma Lili says to her mother：“Mum，yotlgl,e very nice．Thank you for your nice cakes．”Her father is going shopping．He buys a lot of apples，bananas，oranges and pears． It’s four o’eloek in the afternoon．Now everything is ready．The party begins in thirty minutes． Who is going to give Ma Lili a birthday party( )

A:Ma Lili． B:Her friends． C:Her teacher． D:Her parents．

2012年，某省加大扶持贫困残疾人力度，财政投入扶贫资金3816.3万元，比上年大幅增长18%，扶持贫困残疾人员56561人，脱贫35110人，享受优惠政策的贫困残疾人117727人，比上年增加3%。 截止2012年底，城镇残疾人员安排就业人数共227192人，其中，集中就业25135人，按比例就业合计 91384 人，个体及其他形式就业110673人。农村残疾人实际就业630900人，其中，从事农业生产活动515278人，从事其他形式就业115622人。 2012年城镇残疾职工参加社会保险133546人，城镇残疾居民参加社会保险235584人。2012年有14个区县确定为中央新农保的试点县，试点地区参保新农保22717人，参保率为34.5%；其中重度残疾人参保占19.9%。 城镇纳入各类生活保障的残疾人共计147438人。其中，已经纳入最低生活保障范围87922人；其中供养3758人，临时救济22423人，定期补助33335人，农村纳入各类生活保障的残疾人共计339075人。其中，已纳入最低生活保障的残疾人共有221132人，五保供养18146人，临时救济32719人，定期补助67078人。 截止2012年底，省、市、县、乡级残联实有人员5591人，比上年增加11.8%，全省21个地级市中的 3个地级市与121个县（市、区）中的61个县（市、区）配备了残疾人领导干部，全省1589个乡镇街道中已建残联1547个；全省19435个村（社区）中已建残协10537个。

以下有关纳入各类生活保障范围的城镇残疾人和农村残疾人人数的说法，错误的是（）

A:无论在城镇还是在农村，领取定期补助的残疾人数数量都高于领取临时救济的残疾人数量 B:无论在城镇还是农村，最低生活保障都是当地残疾人生活保障的主要形式 C:在所有被纳入生活保障范围的城镇残疾人群中，集中供养者的比例高于享受生活保障的农村残疾人中五保供养者得比例 D:在所有被纳入生活保障范围的城镇残疾人群中，享受定期补助的人数比例高于农村

成年男性的平均感知电流约为 （ ）mA

A:0.7mA B:1.0mA C:1.1mA D:1.5mA