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【单选题】
What can we conclude from the last paragraph? 查看材料A.
Design course can help solve practical problems.
B.
Design courses are necessary to open.
C.
Design is strongly analytical.
D.
People don't pay attention to design courses.
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反馈参考答案：
举一反三
【单选题】Why did the student miss the lesson?
A.
He was badly ill.
B.
He forgot the lesson.
C.
His mother was ill.
D.
His mother was busy.
【单选题】对扎止血带的伤员,应该每隔多久松开止血带,松开时间为多少
A.
1-3小时,5-6分钟
B.
1-2小时,1-2分
C.
0.5-1小时,2-3分
D.
3-4小时,3-4分
E.
2-3小时,4-5-分
【单选题】Which lesson did you learn yesterday? ________.
A.
Lesson Seven
B.
Lesson seventh
C.
The 7 Lesson
D.
7 Lesson
【单选题】Who were the most satisfied with their jobs according to the passage?
A.
People making more than $15,000 per year.
B.
People making $15,000 per year.
C.
People making more than $50,000 per year.
D.
People making $50,000 per year.
【单选题】Which lesson did you learn yesterday? ________.
A.
lesson seven
B.
lesson seventh
C.
the 7 lesson
D.
7 lesson
【简答题】Among the members of the small band of Jamestown settlers was ____, an English soldier of fortune, whose reports of exploration, published in the early 1600s, have been described as the first distinct...
【多选题】无头模式分为航向锁定和返航点锁定,关于他们的描述正确的是 ?
A.
航向锁定模式：它必须在GPS模式下才有效，无论多旋翼在哪个方位，前方的指向就是起飞点到多旋翼的方向。后方就多旋翼到起飞点的方向。
B.
航向锁定模式：必须在姿态模式或GPS模式下才有效。多旋翼在起飞前解锁的时候，会记录以起飞点为中心的前后左右的朝向，在起飞后，无论机头朝向哪里，遥控器给出的向前后左右飞行的指令，都会按照多旋翼所记录的以起飞点为中心的前后左右朝向进行飞行。
C.
返航点模式：必须在GPS模式下才有效，无论多旋翼在哪个方位，前方的指向就是起飞点到多旋翼的方向。后方就多旋翼到起飞点的方向。
D.
返航点模式：必须在姿态模式或GPS模式下才有效。多旋翼在起飞前解锁的时候，会记录以起飞点为中心的前后左右的朝向，在起飞后，无论机头朝向哪里，遥控器给出的向前后左右飞行的指令，都会按照多旋翼所记录的以起飞点为中心的前后左右朝向进行飞行。
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