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无人机的种类很多，主流产品是固定翼无人机和旋转翼无人机，垂直起降固定翼无人机则兼具二者。（ ）
A.
正确
B.
错误
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参考答案：
举一反三
【单选题】Section A Directions: In this section, you will hear two news reports. At the end of each news report, you will hear two questions. Both the news report and the questions will be spoken only once. Aft...
A.
China's efforts to make the G20 summit a success.
B.
Secretary-General's speech on sustainable development.
C.
Progress in bringing a climate agreement into effect.
D.
An agreement by the US and China for world peace.
查看完整题目与答案
【单选题】Directions: In this section, you will hear two news reports. At the end of each news report, you will hear two questions. Both the news report and the questions will be spoken only once. After you hea...
A.
Pursue a higher degree.
B.
Take up some hobbies.
C.
Stay healthy after two illnesses.
D.
Enjoy having grandchildren around.
查看完整题目与答案
【单选题】对肘窝周界的叙述何者有错误
A.
内侧界为旋前圆肌
B.
外侧界为肱桡肌
C.
上界为肱骨内、外上髁的连线
D.
窝底的内侧为旋后肌，外侧为肱肌
E.
窝顶是深筋膜和肱二头肌腱膜
查看完整题目与答案
【单选题】Directions: In this section, you will hear two news reports. At the end of each news report, you will hear two questions. Both the news report and the questions will be spoken only once. After you hea...
A.
She worked hard to send all her children to college.
B.
She was the oldest speaker at the graduation ceremony.
C.
She graduated from college at a very advanced age.
D.
She lived the longest among the graduates of the college.
查看完整题目与答案
【单选题】明代花鸟 画 有了很大发展,从根本上完成了水墨 写 意花鸟 画 变革的一代大家 是 ( )。
A.
黄公望
B.
徐渭
C.
唐寅
D.
董其昌
查看完整题目与答案
【单选题】在自动变速器中,当液力变矩器的泵轮和涡轮转速差值愈大时,则( )。
A.
输出转矩愈大
B.
输出转矩愈小
C.
效率愈高
D.
输出功率愈大
查看完整题目与答案
【单选题】正中神经损伤所致的畸形为
A.
猿手
B.
爪形手
C.
锤状指
D.
鹅颈指
查看完整题目与答案
【单选题】幼儿在( )入睡后,生长激素才大量分泌。
A.
上午
B.
下午
C.
傍晚
D.
夜间
查看完整题目与答案
【单选题】在自动变速器中,当液力变矩器的泵轮和涡轮转速差值愈大时,则 。
A.
输出转矩愈大
B.
效率愈高
C.
输出转矩愈小
D.
输出功率愈大
查看完整题目与答案
【单选题】第三代计算机采用的电子逻辑元件是( )。
A.
电子管
B.
晶体管
C.
中、小规模集成电路
D.
大规模和超大规模集成电路
查看完整题目与答案
相关题目：
【单选题】Section A Directions: In this section, you will hear two news reports. At the end of each news report, you will hear two questions. Both the news report and the questions will be spoken only once. Aft...
A.
China's efforts to make the G20 summit a success.
B.
Secretary-General's speech on sustainable development.
C.
Progress in bringing a climate agreement into effect.
D.
An agreement by the US and China for world peace.
查看完整题目与答案
【单选题】Directions: In this section, you will hear two news reports. At the end of each news report, you will hear two questions. Both the news report and the questions will be spoken only once. After you hea...
A.
Pursue a higher degree.
B.
Take up some hobbies.
C.
Stay healthy after two illnesses.
D.
Enjoy having grandchildren around.
查看完整题目与答案
【单选题】对肘窝周界的叙述何者有错误
A.
内侧界为旋前圆肌
B.
外侧界为肱桡肌
C.
上界为肱骨内、外上髁的连线
D.
窝底的内侧为旋后肌，外侧为肱肌
E.
窝顶是深筋膜和肱二头肌腱膜
查看完整题目与答案
【单选题】Directions: In this section, you will hear two news reports. At the end of each news report, you will hear two questions. Both the news report and the questions will be spoken only once. After you hea...
A.
She worked hard to send all her children to college.
B.
She was the oldest speaker at the graduation ceremony.
C.
She graduated from college at a very advanced age.
D.
She lived the longest among the graduates of the college.
查看完整题目与答案
【单选题】明代花鸟 画 有了很大发展,从根本上完成了水墨 写 意花鸟 画 变革的一代大家 是 ( )。
A.
黄公望
B.
徐渭
C.
唐寅
D.
董其昌
查看完整题目与答案
【单选题】在自动变速器中,当液力变矩器的泵轮和涡轮转速差值愈大时,则( )。
A.
输出转矩愈大
B.
输出转矩愈小
C.
效率愈高
D.
输出功率愈大
查看完整题目与答案
【单选题】正中神经损伤所致的畸形为
A.
猿手
B.
爪形手
C.
锤状指
D.
鹅颈指
查看完整题目与答案
【单选题】幼儿在( )入睡后,生长激素才大量分泌。
A.
上午
B.
下午
C.
傍晚
D.
夜间
查看完整题目与答案
【单选题】在自动变速器中,当液力变矩器的泵轮和涡轮转速差值愈大时,则 。
A.
输出转矩愈大
B.
效率愈高
C.
输出转矩愈小
D.
输出功率愈大
查看完整题目与答案
【单选题】第三代计算机采用的电子逻辑元件是( )。
A.
电子管
B.
晶体管
C.
中、小规模集成电路
D.
大规模和超大规模集成电路
查看完整题目与答案
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