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【单选题】
若有定义 int a[ ]={0,1,2,3,4,5,6,7,8,9},*p=a,i; 其中0≤i≤9,则对a数组元素引用不正确的是
A.
a[ p-a ]
B.
*(&a[i])
C.
p[i]
D.
* ( * ( a+i ) )
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参考答案:
举一反三
【简答题】已知抛物线y=ax 2 +bx+c与y轴交于点A(0,3),与x轴交于B(1,0)、C(5,0)两点. (1)求此抛物线的解析式; (2)若点D为线段OA的一个三等分点,求直线DC的解析式; (3)若一个动点P自OA的中点M出发,先到达x轴上的某点(设为点E),再到达抛物    线的对称轴上的某点(设为点F),最后运动到点A.求使点P运动的总路径最短的点E、点F的坐标,并求出这个最短总路径的长.
【简答题】Intellectual property is a term that refers to __1__creations of the human mind that are subsequently recognized and protected by law, such as inventions, __2__and artistic works, as well as symbols, ...
【多选题】Which statements are true about proofreading?
A.
In proofreading, you can look for the undetected mistakes from the writing, design, and layout stages.
B.
In proofreading, focus on high-priority items by double checking names, titles, dates, and addresses.
C.
In proofreading, look for all problems in a time.
D.
Software tools and functions can help revise your messages.
【简答题】已知:抛物线C 1 :y=-2x 2 +bx-6与抛物线C 2 关于原点对称,抛物线C 1 与x轴分别交于A(1,0),B(m,0),顶点为M,抛物线C 2 与x轴分别交于C,D两点(点C在点D的左侧),顶点为N. (1)求m的值; (2)求抛物线C 2 的解析式; (3)若抛物线C 1 与抛物线C 2 同时以每秒1个单位的速度沿x轴方向分别向左、向右运动,此时记A,B,C,D,M,N在某一时刻的...
【判断题】Although each manufacturer and each model have their own design features, these general components are found on every airplane and are called by the same names.
A.
正确
B.
错误
【简答题】(英译汉)Although each manufacturer and each model have their own design features, these general components are found on every airplane and are called by the same names. The entire structure of an airplan...
【简答题】如图,已知抛物线C经过原点,对称轴x=-3与抛物线相交于第三象限的点M,与x轴相交于点N,且tan∠MON=3. (1)求抛物线C的解析式; (2)将抛物线C绕原点O旋转180°得到抛物线C′,抛物线C′与x轴的另一交点为A,B为抛物线C′上横坐标为2的点. ①若P为线段AB上一动点,PD⊥y轴于点D,求△APD面积的最大值; ②过线段OA上的两点E,F分别作x轴的垂线,交折线O-B-A于点E 1...
【多选题】An Unmanned Aerial Vehicle (UAV), commonly known as a drone ,Unmanned Air- craft System ( U AS), or by several other names, is an aircraft without a human pilot aboard. 的主系表结构写下来并翻译 An Unmanned Aeria...
A.
The main exceptions are the cockpit and environmental control system or life support systems.
B.
weaponized military drones are lighter than these manned counterparts
C.
Autopilot software is used on both manned and unmanned aircraft, with varying feature sets.
D.
For small UAVs, the quadcopter design has become popular.
【简答题】如图1,已知抛物线C经过原点,对称轴 与抛物线相交于第三象限的点M,与x轴相交于点N,且 。 (1)求抛物线C的解析式; (2)将抛物线C绕原点O旋转180 0 得到抛物线 ,抛物线 与x轴的另一交点为A,B为抛物线 上横坐标为2的点。 ①若P为线段AB上一动点,PD⊥y轴于点D,求△APD面积的最大值; ②过线段OA上的两点E、F分别作x轴的垂线,交折线O-B-A于E 1 、F 1 ,再分别以线...
【多选题】在汉代不断发展成熟的隶书也在刻石中得到使用,但与简牍帛书墨迹相比,下面说法正确的有?
A.
隶书特有的波磔笔画在凿刻过程中并不被强调
B.
呈现的完整度不高
C.
使西汉刻石中的隶书表现出更多的篆书结构与笔意特征
D.
总体上也更具有朴茂生拙、雄强大度的气象
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