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【单选题】
犯罪的形式概念是指。
A.
自由权
B.
理论性
C.
结构性
D.
形式违法性
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【简答题】已知函数 f(x)= ax+b x 2 +1 (其中常数a,b∈R), g(x)=sinx- 2 π x . (Ⅰ)当a=1时,若函数f(x)是奇函数,求f(x)的极值点; (Ⅱ)若a≠0,求函数f(x)的单调递增区间; (Ⅲ)当 b=0,a∈( π 2 ,π] 时,求函数g(x)在[0,a]上的最小值h(a),并探索:是否存在满足条件的实数a,使得对任意的x∈R,f(x)>h(a)恒成立.
【单选题】听力原文: Cars are an important part of life in the United States. (29) Without a car most people feel that they are poor. And even if a person is poor he doesn't feel really poor when he has a car. The c...
A.
When they don't have a car.
B.
When they live in a huge country.
C.
When they don't use planes.
D.
when they have a car.
【判断题】诚信运行活动包括生产、经营、服务和管理等;涉及的相关方包括员工、顾客、供方、工商和税务等。
A.
正确
B.
错误
【多选题】图形对象的选择方法有几种?
A.
一是从左向右框选,叫窗口选择方式
B.
二是从右向左框选,与选框边界相交的图形对象都将全部被选中,这种方法又叫交叉窗口选择方式。
C.
鼠标右键单击选择
D.
鼠标左键单击选择
【简答题】已知函数f(x)=2x 2 -3x+1,g(x)=ksin(x- π 6 ),(k≠0). (1)问α去何值时,方程f(sinx)=α-sinx在[0,2π]上有两解; (2)若对任意的x 1 ∈[0,3],总存在x 2 ∈[0,3],使f(x 1 )=g(x 2 )成立,求实数k的取值范围?
【简答题】制动就是给电动机一个与转动方向相反的 使它迅速 。
【简答题】完形填空。 How much do you know about manners (礼仪)? Different countries have 1 manners. In 2 Asian countries, it is good manners to take off your 3 before you go into a house. 4 in European (欧洲) countries,...
【单选题】每天( ),蛋糕就开始膨胀。
A.
下午一点
B.
早上八点
C.
正午十二点
D.
下午两点
【单选题】What most helped Nigel Player run a passenger airline? prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
having friends already in the business
B.
understanding the financial background prefix="o" ns="urn:schemas-microsoft-com:office:office"? ?xml:namespace>
C.
knowing about flying freight
【简答题】How do some Asian countries commemorate Zheng He?
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