【简答题】试样: 开针 71 针,废纱单边起口 5 转, 1×1 罗纹 10 转 ,翻针成纬 平 针 20 转,废纱 5 转封口下机。以 拍照的形式交作业,并用文字分析织物的卷边性。 2. 预习:加针(暗放针)、减针、过针、手摇横机注意事项(教材 29-32 页),看学习通小视频 .
【判断题】两端鞭毛的意思是在菌细胞外侧各边上都有鞭毛。
【多选题】样本均值的两个基本性质是:?
A.
若称样本中的数据与样本均值的差为偏差,则样本所有偏差之和为0
【单选题】()is very important that you don't make any mistakes when you calculate those figures.
【单选题】婴幼儿喜欢成人的接触、抚爱,这种情绪反应的动因是为满足他们的( )。
【单选题】---- ______! There is a bus coming. ---- Thank you very much for telling me. You saved my life!
【单选题】You were very impolite to him, for ______ you should make an apology to him, I think,
【单选题】婴幼儿喜欢与成人接触、抚爱,这种情绪反应的动因是为满足儿童的( )
【单选题】听力原文:W: You've got a new camera. It looks good and must be very expensive. M: It is good. But I got it for next to nothing. Q: What does the man mean about his camera? (19)
A.
He got the camera at a very low price.
B.
The camera is very expensive.
C.
The camera is worth nothing.
D.
He does not like the camera.