网友您好, 请在下方输入框内输入要搜索的题目:
题目内容
(请给出正确答案)
从A、B、C、D四个选项中,选择一个最贴近的答案完成填空。 A __________ involves a complex pitch movement, starting on a pitch somewhere in the middle of the normal voice range, rises to the top and immediately drops to the bottom
A.fall
B.rise
C.fall-rise
D.rise-fall
参考答案和解析
B 观察题干图形,各个图形在笔画数、空间数上均不具有规律。再观察图形,各图均是由曲线构成的。选项中只有B硕由曲线构成。故选B。
更多 “从A、B、C、D四个选项中,选择一个最贴近的答案完成填空。 A __________ involves a complex pitch movement, starting on a pitch somewhere in the middle of the normal voice range, rises to the top and immediately drops to the bottomA.fallB.riseC.fall-riseD.rise-fall” 相关考题
考题
Propeller pitch speed minus ship speed divided by the propeller pitch speed is termed ___.A.apparent slipB.true slipC.pitchD.propulsive efficiency
考题
_____ of the controllable pitch propeller enables the blades to be moved to change the pitch angleA.An external mechanismB.An internal mechanismC.An interlock deviceD.A hunting gear system
考题
在VRP中,PQ的各队列的缺省长度为()。
A.top-20middle-40normal-60bottom-80B.top-20middle-20normal-20bottom-20C.top-10middle-20normal-40bottom-80D.top-80middle-60normal-40bottom-20
考题
After a cold front passes,the barometric pressure______.A.drops,and the temperature dropsB.drops , and the temperature risesC.rises,and the temperature dropsD.rises,and the temperature rises
考题
Pitch variation is known as __________ when its patterns are imposed on sentences.A.intonation
B.tone
C.pronunciation
D.voice
考题
The expedition reached the summit at 10:30 that morning.A:bottom of the mountain B:foot of the mountainC:top of the mountain D:starting point
考题
The expedition reached the summit at 10:30 that morning.A:top of the mountain
B:bottom of the mountain
C:starting point
D:site
考题
The expedition reached the summit at 10:30 that morning.A:bottom of the mountain
B:foot of the mountain
C: top of the mountain
D:starting point
考题
The expedition reached the summit at 10:30that morning.A: bottom of the mountain B:foot of the mountainC:top of the mountain D:starting point
考题
Pitch is produced by frequency of vibration of the vocal cords. The higher the frequency, the higher the pitch.()A对B错
考题
Pitch is produced by frequency of vibration of the vocal cords. The higher the frequency, the higher the pitch.()
考题
在HTML中,盒子模型中元素实际占位的高度应该为()。A、height属性+padding-top+padding-bottomB、height属性+padding-top+padding-bottom+border-top+border-bottomC、height属性+margin-top+margin-bottom+border-top+border-bottomD、height属性+padding-top+padding-bottom+border-top+border-bottom+margin-top+margin-bottom
考题
在VRP中,PQ的各队列的缺省长度为()。A、top-20middle-40normal-60bottom-80B、top-20middle-20normal-20bottom-20C、top-10middle-20normal-40bottom-80D、top-80middle-60normal-40bottom-20
考题
当正副驾驶的姿态、指示,即俯仰、翻滚、指示相差5度时()。A、PITCH显示在PFD左侧,ROLL显示在PFD右侧B、只显示PITCH在PFD上C、只显示ROLL在PFD上D、PITCH显示在PFD右侧,ROLL显示在PFD左侧
考题
单选题在华为Quidway系列路由器中,缺省情况下PQ的各队列的默认长度为()。A
top - 20 middle - 40 normal - 60 bottom - 80B
top - 20 middle - 20 normal - 20 bottom - 20C
top - 10 middle - 20 normal - 40 bottom - 80D
top - 80 middle - 60 normal - 40 bottom - 20
考题
单选题在VRP中,PQ的各队列的缺省长度为()。A
top-20middle-40normal-60bottom-80B
top-20middle-20normal-20bottom-20C
top-10middle-20normal-40bottom-80D
top-80middle-60normal-40bottom-20
考题
单选题() is made of a boss with separated blades mounted into it.A
A variable pitch propellerB
A variable pitch nutC
A fixed pitch parallelD
A fixed pitch screw
考题
单选题Propeller pitch speed minus ship speed divided by the propeller pitch speed is termed ().A
apparent slipB
tree slipC
pitchD
propulsive efficiency
考题
单选题Starting air valves are held firmly on their seats by()A
cam rollers on the camshaftB
spring forceC
air pressure on top of the valve differential pistonD
air pressure on the bottom of the valve differential piston
考题
单选题The pitch ratio of a propeller is the mean pitch divided by ().A
the propeller diameterB
the propeller radiusC
the pitch angleD
the length of helix
考题
单选题For vessels with (), the meaning of the order would include the combination of pitch and revolutions as indicated in ships orders.A
fixed pitch propellersB
uncontrollable pitch propellerC
constant pitch propellersD
variable pitch propellers
考题
单选题By which of the following means is force efficiently provided to vary the pitch of the blades on a modem controllable pitch propeller?()A
HydraulicB
MechanicalC
PneumaticD
Electrical
考题
判断题Pitch is produced by frequency of vibration of the vocal cords. The higher the frequency, the higher the pitch.()A
对B
错
考题
多选题PCB中对自动重新编号工具说法正确的()。A自动重新编号工具是只对元件重新标号B[TOP]和[Bottom]选项组是分别设置[TOP]层和[Bottom]层的重新编号C[Startat]表示第一个元件的标号
热门标签
最新试卷