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【单选题】
理想轴心受压构件失稳时,只发生弯曲变形,杆件的截面只绕一个主轴旋转,杆的纵轴由直线变为曲线,这时发生的是(D )A.
扭转屈曲
B.
弯扭屈曲
C.
侧扭屈曲
D.
弯曲屈曲
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皮皮学刷刷变学霸
举一反三
【多选题】Watch the video and choose the aspects of Turkish culture that you see.
A.
food
B.
music
C.
clothing
D.
religion
E.
language
F.
art
G.
other
【简答题】Watch the video clip twice and decide whether each of the following statements is true (T) or false (F) according to the information from the video clip.
【简答题】2004年法国动画片《 》在法国戛纳电影节和柏林电影节上荣获多个奖项,被誉为法国划时代作品。
【多选题】Watch the video and outline five main points of the event.
A.
Introduce the programme “Person of the Week”
B.
Brief introduction to Dr. Rick Hodes, “Person of the Wee k”
C.
Saving hundreds of young lives for 28 years in Ethiopia
D.
What Dr. Hodes did for the poorest patients in the world
E.
A writer’s life changed for helping a young patient with serious deformity
F.
Reason for choosing Dr. Hodes as “Person of the Week”
【单选题】Last week, my kids along with other kids from the neighbourhood _______ to help me wash my car.
A.
commanded
B.
contributed
C.
preferred
D.
volunteered
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