[单选题]The river water was（ ）from its old course into a new channel where they were building the dam.
A.turned
B.switched
C.shifted
D.diverted

[单选题]If an airmass forms over water, its classification is _______ .
A.maritime
B.tropical
C.polar
D.continental

[单选题]When an airmass is warmed from below, its stability is _______ .
A.increased
B.decreased
C.worsened
D.developed

[单选题]_______ is an area of land or water that is used or intended to be used for the landing and takeoff of aircraft, and includes its buildings and facilities, if any.
A.Landing area
B.Tower
C.Airport facilities
D.Airport

[单选题]设循环队列的结构是：const int Maxsize=100;typedef int Data Type;typedef struct {Data Type data[Maxsize];int front， rear;}Queue;若一个 Queue 类型的队列 Q，试问判断队列满的条件应是下列哪一个语句（ ）。
A.Q.front==Q.rear;
B.Q.front-Q.rear==Maxsize;
C.Q.front+Q.rear=Maxsize;
D.Q.front==（Q.rear+1）%Maxsize;

[简答题]阅读下列C程序，回答下列问题。 [C程序] int GetMaxDay( int year, intmonth ) { int maxday = 0; //1 if ( month ＞= 1 && month ＜= 12 ) { //2,3 if ( month == 2 ) { //4 if ( year % 4 == 0 ) { //5 if ( year % 100 == 0 ) { //6 if ( year % 400 == 0 ) } //7 maxday = 29; //8 else //9 maxday = 28; } else //10 maxday = 29; } else //11 maxday = 28; } else{ //12 if(month==4||month==6||month==9||month==11) //13, 14, 15, 16 maxday = 30; //17 else //18 maxday = 31; } } return maxday; //19 } 3、请给出问题2中控制流图的线性无关路径。

[单选题]当驾驶盘上的MIC/INT电门置于INT位时,以下说法正确的是:
A.MIC音频直接接入飞行内话系统,不用在ACP上选择INT麦克风选择电门；
B.要进入飞行内话系统还必须选择INT麦克风选择电门；
C.要使MIC音频接入飞行内话系统,还必须将ACP上的R/T-I/C电门置于I/C 位；
D.以上说法都不对

[单选题]_______ is the area of airspace over land or water, extending upward from the surface, within which the ready identification, the location, and the control of aircraft are required in the interest of national security.
A.Air defense identification zone
B.Flying Zone
C.Control zone
D.Location

[单选题]针对下列程序段，需要（ ）个测试用例可以满足分支覆盖的要求。int IsLeap（int year）{if（year%4==0）{if（（year%100==0）{if（year%400==0）leap=1；else leap=0；}else leap=l；}else leap=0；return leap；}
A.3
B.4
C.6
D.7

[单选题]Helicopters can operate at a height between 1 and 10 meters with 10 meters distance from obstacles, but its flying speed should not exceed _______ km/h.
A.10
B.15
C.20
D.30

[单选题]下面为C语言程序，边界值问题可以定位在（ ）。int data（3）,int i,for（i=1,i＜=3,i++）data（i）=100
A.data（O）
B.data（1）
C.data（2）
D.data（3）

[单选题]执行下面的一段C程序后，输出结果变量应为______。 sub (int x, int y, int *z) { *z=y-x; } main() { int a, b, c; sub (10, 5, &a); sub(7, a, &b); sub(a, b, &c); printf ("%d, %d, %d\n", a, b, c); }
A.5, 2, 3
B.-5, -12, -7
C.-5, -12, -17
D.5, -2, -7

[单选题]设n的初值为正整数，设计一个递归算法如下：int fact（int n）{if（n＜=0）return 1;else return（n*fact（n-1））;}以下叙述中，正确的是______。
A.计算fact（n）需要执行n+2次函数调用
B.计算fact（n）需要执行n+1次函数调用
C.计算fact（n）需要执行n次函数调用
D.计算fact（n）需要执行n-1次函数调用

[单选题]如INT/RAD开关放到INT位而侧杆上选择了无线电功能，则：
A.无线电功能比内话 功能具有优先权
B.内话功能比无线电 功能具有优先权
C.仅能听到内话
D.无线电功能失去

[单选题]_______ is a power-driven heavier-than-air aircraft, deriving its lift in flight chiefly from aerodynamic reactions on surfaces which remain fixed under given conditions of flight.
A.Tail
B.Wing
C.Aeroplane
D.Engine

[单选题]_______ is the changing of liquid water to invisible water vapor.
A.Condensation
B.Evaporation
C.Sublimation
D.Melting

[判断题] C C D 文件中intAddr元 素 的 n a m e属性是接收虚端子。
A.正确
B.错误

[单选题]Water is present in the atmosphere in three states. Which word below is not used to define the states of water?
A.Ice
B.Solid
C.Liquid
D.Gas

[单选题]_______ is the changing of ice directly to water vapor, or of water vapor to ice.
A.Sublimation
B.Condensation
C.Freezing
D.Melting