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【单选题】
以下算子不属于一阶微分算子的是?A.
Roberts算子
B.
Prewitt算子
C.
Sobel算子
D.
拉普拉斯算子
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【简答题】If you click on this ____, it takes you to our flight schedule. (n. 网络链接)
【单选题】Lin Tao is good at all the subjects at school, _______ English.
A.
especially
B.
really
C.
mostly
【单选题】The riders hand aids are used to communicate through to the horse via the ( ) and then on to the ( ).
A.
bridle/girth
B.
reins/bit
C.
reins / stirrup
D.
reins/saddle
【判断题】Phonology is defined as the study of the phonic medium of language; it is concerned with all the sounds that occur in the world’s languages. Phonetics, on the other hand, aims to discover how speech s...
A.
正确
B.
错误
【简答题】阅读理解。 Lin Tao has a good friend.His name is Jim Smith.He is eleven.They are at the same age.Jim's father and mother work in China.Jim likes Chinese food very much.Lin Tao often asks him to come to his...
【简答题】一钢试样 , E=200GPa , 比例极限 σp=200MPa , 直径 d=10mm , 在标距ι=100mm 长度上测得伸长量 △ι=0.05mm , 试求该试件沿轴线方向的线应变 ε = ,横截面上的应力σ = 。
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